Best Collagen Supplement UK: The Secret to Ageless Beauty
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Understanding Collagen
Collagen is the most abundant protein in our bodies, playing a crucial role in maintaining the structure of our skin, hair, nails, bones, and joints.
It's like the glue that holds everything together.
However, as we age, our collagen production decreases, leading to common signs of ageing such as wrinkles, fine lines, and joint pain. (1)
That's where collagen supplements come in…
They're designed to boost your body's collagen levels, helping to maintain your skin's elasticity, strengthen your hair and nails, and support your joint health.
But not all collagen supplements are created equal…
Some are derived from bovine sources, while others are marine-based. Some come in powder form, while others are available as capsules, sachets, or even gummies.
Which type of collagen is the Best?
There are several types of collagen, but the most common ones are type I, II, and III.
Type I and III are great for promoting skin health and reducing the appearance of fine lines and wrinkles.
Type II collagen, on the other hand, is beneficial for joint health. (2)
When choosing a collagen supplement, consider what you want to achieve.
If you're looking to improve your skin's appearance, a supplement containing type I and III collagen could be your best bet.
If you're more concerned about joint health, look for a supplement with type II collagen.
The Effectiveness of Different Forms of Collagen
The form of collagen in your supplement can also impact its effectiveness.
Hydrolysed collagen, also known as collagen peptides, is a popular choice because it's easily absorbed by the body.
This is due to the hydrolyzation process, which breaks down the collagen into smaller, more digestible particles.
On the other hand, collagen in capsule or tablet form may not be as easily absorbed, but it's a convenient option if you're always on the go.
Collagen powders are versatile and can be mixed into your favourite smoothie, coffee, or even water.
Collagen in Anti-Ageing
Collagen is a powerhouse when it comes to anti-ageing. It helps maintain the skin's elasticity, reducing the appearance of wrinkles and fine lines.
Plus, it promotes hydration, giving your skin a plump, youthful look.
Many collagen supplements are fortified with other anti-ageing ingredients like vitamin C, hyaluronic acid, and biotin.
Vitamin C is a potent antioxidant that protects the skin from free radicals, while hyaluronic acid boosts skin hydration. (3)
Biotin, on the other hand, supports healthy hair and nails.
How to Select the Right Collagen Supplement for You
When it comes to choosing the best collagen supplement for you, there are a few factors to consider.
First, think about your health goals. Are you looking to improve your skin health, strengthen your hair and nails, or support your joints? This will help guide your choice of collagen type.
Next, consider the form of collagen. If you want a versatile option that can be added to your food or drink, a collagen powder or liquid might be best. If you prefer convenience, consider collagen capsules or gummies.
Also, look at the other ingredients in the supplement. Many collagen supplements are enhanced with vitamins and minerals like vitamin C, zinc, and biotin for added health benefits. If you have dietary restrictions, look for a supplement that fits your needs, such as a plant-based collagen for vegans.
Lastly, consider the brand's reputation and reviews. A high-quality collagen supplement should be sourced from clean, sustainable sources and be free from unnecessary additives.
The Safety and Daily Intake of Collagen Supplements
Collagen supplements are generally safe for most people, but as with any supplement, it's always a good idea to talk to your doctor before starting a new regimen, especially if you have any underlying health conditions or are taking other medications.
The recommended daily intake of collagen varies depending on the individual and the specific supplement.
However, a common dosage is around 10-20 grams per day.
Always follow the manufacturer's instructions for the best results.
What’s The Ideal Time to Take Collagen?
There's no hard and fast rule about when to take collagen. Some people prefer to take it in the morning, while others take it at night.
What's more important is consistency.
Taking your collagen supplement at the same time every day can help ensure you don't forget a dose.
That said, some experts suggest taking collagen before bed, as the body does most of its repairing and rebuilding while we sleep.
Others recommend taking collagen in the morning, as it can provide a protein boost to start your day.
Is Adding Collagen to Your Coffee A Good Idea?
Adding collagen to your coffee is a popular trend, and for a good reason. It's a convenient way to incorporate collagen into your daily routine.
Plus, the heat from the coffee can help break down the collagen, making it easier for your body to absorb.
Just remember to use unflavoured collagen, unless you want your coffee to taste like fish or beef! You can also add collagen to your smoothies, soups, or even baked goods.
How Long Before Collagen Supplements Start Working?
The time it takes for collagen supplements to start showing effects can vary from person to person, depending on factors such as age, skin condition, and the type of collagen supplement used.
Generally, most people start noticing changes in their skin, hair, and nails after about 4 to 6 weeks of consistent use.
However, for more significant changes, it may take up to 12 weeks. (4)
Remember, consistency is key when it comes to collagen supplementation.
It's important to take your collagen supplement regularly to achieve the best results.
The Top Collagen Supplements in the UK
Raw Beauty Lab
With over 20,000 women raving about its transformative effects on their skin, this wholefood supplement is backed by over 100 years of scientific research.
Raw Beauty Lab's Vegan Collagen Superfood is not only the best collagen supplement in the UK, but it is also a plant-based collagen powder that is 100% natural and cruelty-free.
This unique blend of wholefood ingredients has been carefully selected and backed by over 100 years of scientific research.
It works synergistically to promote healthier skin, hair, nails, joints, gut health, energy, and overall wellbeing.
Pros
As the best collagen supplement in the UK, Raw Beauty Lab's Vegan Collagen Superfood has numerous pros.
It is vegan and cruelty-free, making it an ideal choice for those following a plant-based lifestyle
It is formulated with natural ingredients, ensuring that you are nourishing your body with the best
It has received rave reviews from over 20,000 women who have experienced its transformative effects on their skin
Cons
Some users have reported that it takes a few weeks to see noticeable results. This is to be expected, as collagen production and skin health are unique to each individual.
Raw Beauty Lab's Vegan Collagen Superfood is undoubtedly one of the best collagen supplements in the UK.
Its exceptional formulation, backed by over 100 years of scientific research, sets it apart from other collagen supplements on the market. While individual results may vary, the proven benefits and positive reviews from thousands of women make it a standout choice.
Bare Biology Skinful Collagen Powder
Bare Biology's Skinful Collagen Powder is a pure marine codfish skin-sourced supplement that provides 5g of type I collagen per serving.
This type of collagen is found in skin, hair, nails, muscles, joints, and organs, and supports the decline in natural collagen production from age 25 onwards.
The collagen powder is unflavored with no added ingredients, making it easy to digest and versatile to use.
You can add it to your coffee or a smoothie, and it's not damaged by heat. One pot lasts for 2 months, providing a cost-effective solution for your collagen needs.
Artah Skin Clinic
Artah Skin Clinic offers a powerful, award-winning formula designed to combat fine lines, wrinkles, and signs of ageing by promoting collagen production and skin regeneration.
This product is corrective, protective, and restorative, making it your go-to for anything from acne and eczema to stimulating collagen production and preventing fine lines.
The formula supports collagen production, hair and nail health, combats fine lines, boosts skin hydration, reduces redness, and improves skin barrier function.
It is allergen-free and suitable for vegans, halal, and kosher.
Nourished Collagen Powder
Nourished Collagen is a tasty way to get your daily dose of collagen.
They contain Ovoderm® Collagen, which is known to improve skin elasticity and firmness in just 60 days.
In addition to collagen, this contain vitamin C, biotin, selenium, and zinc.
These ingredients work together to promote healthy skin, hair, and nails.
This collagen is not only effective but also convenient and easy to incorporate into your daily routine.
Revive Collagen Enhanced Plus
Revive Collagen Enhanced Plus is a Hydrolysed Marine Collagen Drink that contains Retinol, Hydrolysed Keratin and Vitamins B6, B12, C & D.
This supplement has been developed to help dull and tired-looking skin, along with helping to fight the signs of ageing.
Each box contains 14 ready-to-drink sachets in a great tasting tropical flavor.
Drinking a sachet daily helps rebuild and restore your collagen levels, with 10,000 MG of Type 1 Hydrolysed Marine Collagen per serving.
Vida Glow Liquid Collagen Advance
Vida Glow Liquid Collagen Advance is a high-quality collagen supplement that comes in a convenient, ready-to-consume liquid form.
It contains 5g of natural marine collagen, vitamin C, and an antioxidant complex called B-Blend4.
This supplement is designed to enhance collagen synthesis, improve skin firmness and elasticity, and promote healthy hair and nails.
The marine collagen used in this product is sustainably sourced from fish skin and activated through a natural hydrolysation process for high impact.
Absolute Collagen Marine Liquid Collagen Supplement
Absolute Collagen offers a marine liquid collagen supplement that's ready to drink directly from the sachet.
Each serving provides a whopping 8000mg of collagen, the maximum amount your body can absorb in a day.
This supplement has undergone rigorous clinical testing and has been proven to deliver real results.
It's also the UK's most awarded liquid collagen supplement, further attesting to its quality and effectiveness.
Features:
8000mg of collagen per daily dose
Clinically proven results
Ready to drink directly from the sachet
The UK's most awarded liquid collagen supplement
Vida Glow Original Natural Marine Collagen Supplement
Vida Glow’s Original Natural Marine Collagen is a collagen peptide supplement made from sustainably-sourced fish skin.
This supplement supports the natural ageing process, promoting firm, youthful-looking skin, thick hair, and strong nails.
Vida Glow’s hydrolysed marine collagen has been activated to boost absorption and stimulate fresh collagen production.
When integrated into your daily routine, it is clinically proven to smooth fine lines and wrinkles, increase skin firmness, and enhance skin elasticity.
The formula is flavourless, allowing you to mix it into any food or drink you like.
Each batch of marine collagen is tested for heavy metals, mercury, and other contaminants, ensuring that it is not just effective, but safe.
WelleCo The Collagen Elixir
WelleCo The Collagen Elixir is a supercharged blend containing 3.5g of the highest grade marine collagen peptides sourced from wild-caught North Pacific fish.
This elixir is designed to support glowing skin, strong nails, thick hair, and a healthy body.
The Elixir is formulated with Vitamin C, hyaluronic acid, silica, and digestive enzymes to enhance collagen absorption and support skin hydration and elasticity.
It is non-GMO, dairy-free, gluten-free, and free from artificial colours and added sugar.
Solgar Collagen Hyaluronic Acid Complex Tablets
Solgar's Collagen Hyaluronic Acid Complex Tablets are a unique beauty formula designed to nourish your skin from within.
Each pack contains 30 tablets. The recommended dosage is one tablet per day.
This supplement includes the patented ingredient BioCell Collagen ll ®, a unique and highly absorbable form of collagen, with hyaluronic acid.
BioCell Collagen ll ® is clinically shown to reduce fine lines and wrinkles, support skin structure and elasticity, and promote healthy collagen production.
The tablets also contain vitamin C, which contributes to the body's own collagen formation and protection of cells from oxidative stress.
They are free from sugar, salt, and starch, making them a healthy choice for your skin care routine.
Vital Proteins Collagen Peptides Powder Supplement
Vital Proteins Collagen Peptides Powder is a highly recommended collagen supplement that is bioavailable, meaning it can be easily digested and absorbed by the body.
This supplement is derived from bovine collagen peptides, which are small, soluble pieces of protein.
As we age, our bodies become less efficient at producing collagen, which is why adding a collagen supplement to your diet can be beneficial.
This collagen supplement is designed to promote a youthful appearance and is incredibly easy to use.
Simply add a scoop to your hot or cold liquids, such as coffee or smoothies.
With each serving, you are providing your body with high-quality building blocks for life's adventures.
Kiki Health Pure Marine Collagen Powder
Kiki Health Pure Marine Collagen Powder is a purified hydrolysed collagen supplement sourced from wild fish.
This supplement is naturally high in protein and contributes to the growth and maintenance of muscle mass and bones.
Collagen is the most abundant protein in the human body and forms a bond to provide strength, elasticity, and structure.
However, collagen production naturally depletes as we age.
This supplement is designed to replenish your body's collagen levels, ensuring your skin, bones, muscles, cartilage, ligaments, and connective tissues are well-supported.
Nutravita Collagen Powder
Nutravita Collagen Powder uses only the best quality Peptan Collagen Peptides.
This collagen supplement is a bio-active hydrolysed form where the amino acids within are broken down and absorbed better into the body.
The Collagen used is Type I, which is the same found in our bones and skin.
Each tub comes with an amazing 50 servings and is only 36 calories per serving.
This collagen supplement is sourced from the world’s leading collagen peptide brand, Rousselot, which uses the highest quality and sustainable herds from France.
Miracle Greens Marine Collagen
Miracle Greens Marine Collagen is a high strength marine collagen complex that contains a powerful blend of 9 nutrients packed into 120 easy-to-swallow pills.
This supplement is designed to support the growth, strengthening, elasticity, and repair of healthy skin, hair, & nails.
This collagen supplement is made of a special low molecular, hydrolysed, highly bio-optimal Type 1 collagen protein.
Derived from the best quality fish, rich in specific amino acids, this supplement is 1.5x more digestible than other collagen forms and makes up over 90% of the body's skin collagen composition.
The collagen peptides are sourced from Wild-Caught deep sea fish from the coast of Denmark in the North Sea.
The collagen supplement is double hydrolysed to achieve a micro-particle size, making it gentler on digestion and easier to absorb for better, faster results.
The Pretty Smart Food Co Marine Collagen Tablets
The Pretty Smart Food Co Marine Collagen Capsules are another excellent choice for a collagen supplement.
These capsules are packed with Type 1 Marine Collagen, Hyaluronic Acid, Turmeric, Superfoods, Vitamins & Minerals.
They are designed to reduce fine lines & wrinkles, strengthen hair & nails, and reduce joint pain.
Each serving (two capsules) contains a powerful blend of ingredients, including:
Hydrolysed Marine Collagen (Fish)
Turmeric Powder
Hyaluronic Acid
Vitamin C
Vitamin E
Sea Kelp Powder
Blueberry Extract
Aloe Vera Extract
Bamboo Extract
Açaí Extract
Black Pepper
Zinc
Vitamin B2,
Copper
Iodine
Vitamin B7
Brown Rice Flour
Superself Marine Collagen Capsules
Marine Collagen Capsules with Hyaluronic Acid & Vitamin C are designed to support skin, joints, and bones.
These capsules contain Type 1 hydrolysed collagen peptides with superior bioavailability sourced from carefully selected fish.
The capsules also contain hyaluronic acid and Vitamin C, both of which are crucial for maintaining healthy skin.
These unflavoured capsules are free from GMO, hormones, antibiotics, and gluten, making them a simple and natural way to boost your body's collagen levels.
Wellgard Gold Standard Bovine Collagen Peptides Powder
Wellgard Gold Standard Bovine Collagen Peptides Powder is a supplement designed to support the maintenance of healthy-looking hair, skin, and nails.
This collagen powder is hydrolysed for better absorption and contains high levels of amino acids.
The powder is formulated to help you focus on things you can change, such as your skin, hair, nails, and joint health.
Each 400g tub of this collagen powder will last you 31 days, ensuring you have a consistent supply of this essential protein.
The Intelligent Health Hydrolysed Collagen Powder (Bovine)
The Intelligent Health brings you a high-grade, hydrolysed collagen powder that's easy to digest and packed with protein.
This collagen supplement is made from 100% grass-fed collagen peptides from pasture-raised cattle, ensuring its high quality and efficacy.
This unflavoured collagen powder is versatile and can be added to smoothies, shakes, or even recipes without altering their taste.
It's also gluten-free, paleo, and keto-friendly, making it suitable for various dietary preferences.
Features:
100% pure high-grade collagen powder
Made from grass-fed collagen peptides
Hydrolysed for easy digestion and absorption
Unflavoured for versatility in use
Gluten-free, paleo, and keto-friendly
Myvitamins Collagen Gummies
Myvitamins Collagen Gummies are a fruity source of collagen, with added vitamin C and retinol to support skin health.
Each serving provides 500mg of marine collagen and 1200ug of retinol.
These Pomegranate flavor gummies are a delicious way to support your collagen levels from within.
They also contain hyaluronic acid, a moisture-retaining molecule found naturally in the skin. This supplement is not suitable for vegetarians.
Free Soul Collagen Gummies
Free Soul offers a delicious and convenient way to get your daily collagen intake with their collagen gummies.
These gummies are designed to improve the appearance of skin, hair, and nails, and are easy to incorporate into your daily routine.
They are made with marine collagen and contain no artificial flavours.
Each bottle provides a month's supply of gummies, making them a cost-effective choice for your beauty routine.
Features:
Contains marine collagen
Delicious strawberry flavour
One bottle provides a month's supply
Free from artificial flavours
Dairy-free, GMO-free, lactose-free, and soy-free
New Leaf Products Pure Marine Collagen
New Leaf Products brings you a high-quality marine collagen supplement that's perfect for those looking to boost their skin, hair, and nail health.
This supplement is packed with 1300mg of pure marine collagen per serving, providing you with a potent dose of this essential protein.
In addition to collagen, each tablet is enriched with Hyaluronic Acid and Vitamin C, which are known to contribute to skin hydration, elasticity, and overall health.
This supplement is also GMP certified, ensuring that it's manufactured to the highest standards.
Features:
1300mg of pure marine collagen per serving
Enriched with Hyaluronic Acid and Vitamin C
1-month supply (60 tablets)
GMP certified
Gold Collagen Forte
Gold Collagen Forte is a powerful anti-ageing supplement designed specifically for women over 40.
It contains a unique blend of 20 skin-supporting ingredients, including marine hydrolysed collagen, hyaluronic acid, biotin, and a potent antioxidant complex.
This supplement is designed to boost collagen production, reduce the appearance of wrinkles and pigmentation, and support skin hydration and elasticity.
It also supports the immune system and hormonal activity, contributing to overall women's wellness.
Skinade Collagen Drink
Skinade is a multi-award winning skincare drink that works from the inside out to boost your body’s natural production of collagen and hyaluronic acid.
This peach and mangosteen flavoured daily drink is designed to improve your skin’s elasticity and youthful appearance in as little as 30 days.
Formulated by leading UK scientists, Skinade offers a perfect ratio of liquid to active ingredients, creating one of the most advanced and effective bio-available products on the market today.
Unlike traditional beauty products that only function on the surface of the skin, Skinade works from within to improve tone and texture, hydrate, and smooth furrow lines.
The liquid formula of essential micronutrients and low molecular weight collagen is immediately absorbed into the bloodstream to rebuild the collagen matrix.
This advanced formulation is assimilated at a 95% absorption rate - a level that can never be matched with supplements or powders.
Erba Glow + Flow Plant Based Collagen
Erba Glow + Flow is a plant-based collagen supplement that allows you to glow from the inside out.
This product is designed to replenish what our bodies lack as we age - collagen.
It harnesses plant-based collagen peptides and essential nutrients to boost your body on a cellular level and provide the essential amino acids it needs to rebuild collagen naturally.
The product comes in handy little sachets that you can take with you anywhere.
It is flavourless, making it easy to combine with your favourite cold or hot drink.
With a dose of this once a day, preferably with or after a meal, you can feel a little lighter and brighter with plant-powered goodness for your body and soul.
Beauty Pie Collagen Super Powder
Beauty Pie's Collagen Super Powder is a food supplement made in the UK that offers 30 servings per 339g pack.
This supplement is formulated with Hydrolysed Marine Collagen, Ascorbic Acid (Vitamin C), Biotin, and Tremella Fuciformis, all of which contribute to collagen formation and skin health.
The Collagen Super Powder has a 100% natural berry infusion flavor, making it a tasty addition to cold water, smoothies, or juice.
It's backed by research and guaranteed top quality, providing a reliable choice for your collagen supplement needs.
QMS Medicosmetics Collagen Intravital Plus
QMS Medicosmetics Collagen Intravital Plus is a nutricosmetic supplement designed to regenerate, recondition, and protect your skin from within.
This supplement is packed with essential vitamins and minerals such as Riboflavin (Vitamin B2), Copper, Vitamin C, and Vitamin E, all of which contribute to the protection of cells from oxidative stress.
The Copper content aids in maintaining normal skin pigmentation and connective tissue, while Vitamin C is crucial for normal collagen formation.
Biotin, Niacin, and Riboflavin (Vitamin B2) contribute to the maintenance of normal skin and mucous membranes, and Biotin also supports the maintenance of normal hair.
The recommended daily intake is one capsule twice daily with water.
This supplement is a blend of Collagen Hydrolysate, Grape Seed Extract, Coenzyme Q10, Copper Gluconate, and other beneficial compounds, all encapsulated in a gelatine capsule.
Revolution Wellness Vegan Collagen Gummies
Revolution Wellness Vegan Collagen Gummies are a cruelty-free, gluten-free, and low sugar supplement designed to support the maintenance of healthy-looking hair, skin, and nails.
These chewable gummies are packed with collagen peptides, Zinc, and Vitamin C, which are essential for maintaining healthy skin and nails.
The gummies also contain Vitamins A, B2, B8, and Vitamin E, which contribute to the maintenance of normal and healthy skin.
These delicious papaya, cherry, and starfruit flavoured gummies are sugar-free and gluten-free. The recommended intake is four gummies a day.
What Collagen Supplement Does Jennifer Aniston Use?
When it comes to celebrities and their beauty secrets, we're all ears. One such celebrity, Jennifer Aniston, is known for her timeless beauty and radiant skin.
So, what's her secret?…
You guessed it right, it's collagen!
Jennifer Aniston is a big fan of collagen supplements and has openly shared her love for Vital Proteins.
She believes in the power of collagen to maintain her youthful glow, healthy hair, and nails.
Aniston even became the Chief Creative Officer of Vital Proteins, showing her commitment to the brand and the benefits of collagen.
She starts her day with a smoothie, which she enriches with a scoop of Vital Proteins Collagen Peptides.
This unflavoured powder is easy to add to any drink, providing a quick and convenient collagen boost.
Jennifer's choice of collagen supplement, Vital Proteins, is a reputable brand known for its high-quality products.
Their collagen peptides are sourced from grass-fed, pasture-raised bovines, ensuring you get the best quality collagen.
The Potential Downsides of Taking Collagen Supplements
While collagen supplements have numerous benefits, it's also crucial to be aware of potential downsides.
Firstly, collagen supplements are not a magic bullet for ageing. While they can help slow down the process and improve skin elasticity, they cannot stop ageing altogether.
Secondly, the quality of collagen supplements varies widely. Some products may contain contaminants, such as heavy metals, which can pose health risks.
Therefore, it's essential to choose a reputable brand that undergoes third-party testing for safety and purity.
Lastly, some people may experience digestive side effects from taking collagen supplements, including bloating and stomach discomfort.
However, these side effects are usually mild and temporary.
Final Thoughts on the Best Collagen Supplements in the UK
Collagen supplements are a popular and effective way to boost your skin's health and combat the signs of ageing.
Whether you prefer collagen peptides, capsules, or liquid supplements, there's a product out there to suit your needs.
Remember, the best collagen supplement for you will depend on your individual health goals, lifestyle, and dietary preferences.
Always choose a product from a reputable brand, and consider consulting with a healthcare professional before starting any new supplement routine.
In the vast world of collagen supplements in the UK, the products reviewed above stand out for their quality, effectiveness, and positive customer reviews.
Whether you're following in the footsteps of Jennifer Aniston with Vital Proteins or exploring other top-rated options like Beauty Pie or Bare Biology, you're on the right track to enhancing your health and beauty from within.
Frequently Asked Questions
What is the best collagen to buy in the UK?
The best collagen to buy in the UK depends on your personal needs and preferences.
However, some of the top-rated options include Vital Proteins Collagen Peptides, Beauty Pie Collagen Super Powder, and Bare Biology Skinful Collagen Powder.
These products are known for their high-quality ingredients and effectiveness.
Which form of collagen is most effective?
The most effective form of collagen can vary depending on your individual needs.
However, hydrolyzed collagen, also known as collagen peptides, is often considered the most effective.
This is because it has been broken down into smaller molecules, making it easier for the body to absorb and use.
Does the NHS recommend collagen supplements?
The NHS does not specifically recommend collagen supplements.
While collagen supplements can have potential health benefits, such as improving skin health and reducing joint pain, the NHS advises maintaining a healthy, balanced diet as the best way to get the nutrients your body needs.
Always consult with a healthcare professional before starting any new supplement routine.
Is Holland and Barrett collagen any good?
Holland and Barrett offer a range of collagen supplements, many of which have positive customer reviews.
Their products are known for their quality and affordability. However, as with any supplement, effectiveness can vary from person to person.
It's always advisable to research and choose a product that suits your individual health needs and goals.
References
Ganceviciene, R., Liakou, A. I., Theodoridis, A., Makrantonaki, E., & Zouboulis, C. C. (2012). Skin anti-aging strategies. Dermatoendocrinol, 4(3), 308-319. https://doi.org/10.4161/derm.22804
Bakilan, F., Armagan, O., Ozgen, M., Tascioglu, F., Bolluk, O., & Alatas, O. (2016). Effects of Native Type II Collagen Treatment on Knee Osteoarthritis: A Randomized Controlled Trial. Eurasian J Med, 48(2), 95-101. https://doi.org/10.5152/eurasianjmed.2015.15030
Telang, P. S. (2013). Vitamin C in dermatology. Indian Dermatol Online J, 4(2), 143-146. https://doi.org/10.4103/2229-5178.110593
Pu, S. Y., Huang, Y. L., Pu, C. M., Kang, Y. N., Hoang, K. D., Chen, K. H., & Chen, C. (2023). Effects of Oral Collagen for Skin Anti-Aging: A Systematic Review and Meta-Analysis. Nutrients, 15(9), 2080. https://doi.org/10.3390/nu15092080
