Collagen for Women: Skin, Hair and Joints

Collagen for women is mostly bought for skin, hair and joints, and the honest answer is that the evidence is mixed. Small, often industry-funded studies suggest daily hydrolysed collagen may help skin hydration and elasticity and activity-related knee pain, but the best independent trials show little skin benefit, and there is almost no good research on hair. If you want to try it, take about 10 g a day for at least 12 weeks, make sure you get enough vitamin C, and judge it on how you feel rather than on the marketing.

Collagen for women: what the evidence says

Two things run through this research: most trials are small, and many are funded by companies that make collagen. That does not make them wrong, but it is a reason to keep your expectations realistic.

Collagen for skin: promising but mixed

Collagen is the main structural protein in your skin, and hydrolysed collagen is collagen broken into small pieces so it mixes into drinks and is easy to digest. A 2025 meta-analysis in The American Journal of Medicine pooled 23 randomised trials with 1,474 people. Taken together, the trials showed improvements in skin hydration, elasticity and wrinkles. But when the authors looked only at trials without industry funding, or only at high-quality trials, there was no significant effect. Their conclusion was that the evidence does not yet support collagen for skin ageing.

So collagen for skin is a reasonable thing to try if you enjoy it and it fits your budget, but it is not a sure thing. Give it at least 12 weeks before deciding.

Collagen for joints

The joint research is a little stronger for active people. In a 2017 trial, 139 athletes with knee pain during sport took 5 g of collagen or a placebo every day for 12 weeks. Pain during activity dropped in both groups, but a little more with collagen, and the result was confirmed by the doctors assessing them. Pain at rest did not change more than placebo. It was one industry-funded trial, so see it as an early signal.

If joint comfort is your main goal, compare collagen with other options in our guide to collagen vs glucosamine vs omega-3. Ongoing joint pain needs a proper check with your GP or physio.

Collagen for hair and nails

Hair and nail claims are the most common on collagen labels and the least tested. There are very few good controlled trials, so we cannot say collagen will make your hair grow faster or thicker. If you are losing more hair than usual, see your GP, as there are many possible causes and some need testing to find.

Collagen may help in a different way: it is extra protein. In one 12-week trial, 77 premenopausal women doing resistance training three times a week took 15 g of collagen or a placebo a day, and the collagen group gained more lean mass and strength. That is one trial, but it is a useful reminder that lifting weights and eating enough protein do a lot of the work.

Vitamin C and how to take collagen

Your body needs vitamin C to make collagen. The recommended intake for adult women in Australia is 45 mg a day, which most people get from fruit and vegetables. Some collagen powders add it: R1 Collagen has 90 mg of vitamin C per scoop and Cyborg Collagen Pro Protein Water has 50 mg.

• Dose: about 10 g of collagen a day sits within the 5 to 15 g a day used in the trials above. One scoop of R1 Collagen gives 10 g.
• Timing: any time of day. Consistency matters more than timing.
• Protein: collagen is low in some essential amino acids and has almost no tryptophan, so it does not replace whey or a full meal. A 2019 analysis suggests collagen can make up a good share of your daily protein while keeping your diet balanced, as long as the rest comes from varied foods.
• Safety: if you are pregnant, breastfeeding, taking medication or have a medical condition, talk to your GP first. Most collagen is from cows or fish, so check the source if you avoid either.

Which collagen should you choose?

Our pick for most women is R1 Collagen. It gives 10 g, within the 5 to 15 g range used in the trials above, plus vitamin C in one unflavoured scoop, at about $2.20 a serve at the time of writing. If you also want more protein, NOWAY Collagen Protein (about $2.67 a serve) or Cyborg Collagen Pro Protein Water (about $2.57 a serve) do both jobs. Primabolics Collagen Complete is another protein water with added vitamin C and electrolytes.

For more detail, read our collagen types guide, compare brands in our best collagen supplement guide, or browse all collagen supplements and skin health products in Australia. Orders of $99.99 or more ship free, and Afterpay is available at checkout.

How our price compares

Here is what the same products cost at other Australian supplement stores, so you can check the difference yourself.

Supps247 prices come from our website. Other prices were checked on the websites of Nutrition Warehouse, Australian Sports Nutrition (ASN), Elite Supps and Supplement Mart on 29 October 2026 (same product and size, price for one unit) and can change at any time. Sale means it was on sale that day. Some flavours means that price was for some flavours only. Not listed means we could not find that exact product on their site. Other sizes only means they sell it in a different size. Supps247 members can use our Price Match Guarantee against Nutrition Warehouse, ASN, Elite Supps and Supplement Mart: we beat their full price by 5% or match their sale price (conditions apply).

Shop the products in this guide

R1 Collagen 25 serves$54.95ATP Science NOWAY Collagen Protein$79.95Cyborg Collagen Pro Protein Water 1 kg$89.95Primabolics Collagen Complete 30 serves$79.95

Browse all collagen supplements, skin health and hair health products.

FAQs

Does collagen really work for skin?

Possibly, but the evidence is mixed. A 2025 meta-analysis of 23 trials found improvements in skin hydration, elasticity and wrinkles overall, but no significant effect when it looked only at independent or high-quality trials. Many collagen studies are small and funded by collagen makers. If you try it, take it daily for at least 12 weeks and judge the results for yourself.

How much collagen should a woman take a day?

The trials covered in this guide used 5 to 15 g of hydrolysed collagen a day, and 10 g is a sensible middle ground. One scoop of R1 Collagen gives 10 g. Take it every day for at least 12 weeks, at any time that suits you. Collagen is not a complete protein, so it should add to your daily protein from food or whey, not replace it.

Should I take vitamin C with collagen?

Your body needs vitamin C to make collagen, and the recommended intake for adult women in Australia is 45 mg a day. Most people get that from fruit and vegetables, so you do not need to take them at the same moment. Some powders add it anyway: R1 Collagen has 90 mg of vitamin C per scoop and Cyborg Collagen Pro Protein Water has 50 mg.

Can collagen help with hair loss?

There is not enough good research to say collagen helps hair grow or stops hair loss. Hair claims on collagen labels are the least tested of all. If you notice more hair loss than usual, see your GP, because there are many possible causes and some need tests to find. Eating enough protein overall is a sensible base either way.

Is collagen safe while breastfeeding or pregnant?

There is little research on collagen supplements during pregnancy or breastfeeding, so talk to your GP or midwife before you start. Collagen powders are usually made from cows or fish, and some add other ingredients such as hyaluronic acid, sweeteners or vitamins, so read the full label. Food sources of protein and vitamin C remain the best foundation during this time.

Sources: Myung and Park (2025), collagen supplements and skin aging: systematic review and meta-analysis, The American Journal of Medicine; Zdzieblik et al. (2017), collagen and activity-related knee pain in athletes, Applied Physiology, Nutrition, and Metabolism; Jendricke et al. (2019), collagen with resistance training in premenopausal women, Nutrients; Paul, Leser and Oesser (2019), collagen in the diet and amino acid balance, Nutrients; NIH Office of Dietary Supplements: vitamin C fact sheet; NHMRC Nutrient Reference Values: vitamin C; product labels and brand nutrition panels, checked October 2026.

Order online with Australia-wide delivery, free on orders of $99.99 or more, with Afterpay available at checkout. You can also use click and collect at a store that offers it, or visit a Supps247 store in Melbourne, regional Victoria or Brisbane to compare products in person. Members can use our member price match on full-priced items.

Prices and stock were checked on 29 October 2026 and can change at any time. Always read the label and follow the directions for use. If you have a medical condition, are pregnant or take regular medication, check with your doctor first.