VoltraCollagen supplements: do they work for skin and joints?
For skin, it depends on who paid for the study. A 2021 review found 90 days of hydrolysed collagen reduced wrinkles and improved skin elasticity and hydration [1]. A 2025 review of 23 trials found that trials not funded by companies showed no effect on hydration, elasticity or wrinkles, while company-funded ones did, and concluded there's currently no clinical evidence to support collagen for preventing or treating skin ageing [2].
For osteoarthritis, overall symptom scores improved, but the pain and function parts of the score, taken alone, didn't change significantly [4].
Skin
| Review | What it found |
|---|---|
| 2021, 19 studies, 1,125 people [1] | 90 days of hydrolysed collagen reduced wrinkles and improved elasticity and hydration |
| 2025, 23 trials, 1,474 people [2] | No effect in trials without company funding; an effect in company-funded ones |
95% of the people in the 2021 review were women [1].
Fish, beef or other collagen?
In a 2023 review, 14 trials used fish collagen, one used beef, one chicken, two pork, and nine didn't say [3]. It found no significant difference between sources for skin elasticity, found fish best for skin hydration, and flagged several biases in the trials [3]. With only one trial of beef collagen, the comparison is weak. Collagen can come from pork, so if that matters to you, check the source on the label.
Joints
A review of trials in osteoarthritis found collagen improved overall symptom scores (the total WOMAC index and a visual pain scale), but WOMAC's pain and function sub-scores on their own showed no significant difference [4].
The Saudi limit
Saudi Arabia's Food and Drug Authority classes collagen products, which may contain vitamins and minerals, as food, with a maximum daily amount of 10 g [5].
In Voltra
Log collagen powder on the Eat tab like any food.
Frequently asked
Does collagen work for skin?
The evidence is mixed: company-funded trials found better skin hydration, elasticity and wrinkles, but trials without company funding found no effect.
Is marine collagen better than bovine?
A 2023 review found fish collagen best for skin hydration, but no difference between sources for elasticity, and it had only one trial of beef collagen.
Does collagen help joint pain?
In osteoarthritis trials, overall symptom scores improved, but the pain sub-score of the arthritis index didn't change significantly.
How much collagen can I take a day?
Saudi Arabia's Food and Drug Authority sets a maximum daily amount of 10 g for collagen products.
Sources
- de Miranda RB, Weimer P, Rossi RC (2021). Effects of hydrolyzed collagen supplementation on skin aging: a systematic review and meta-analysis. Int J Dermatol 60(12):1449–1461. Abstract. 19 studies, 1,125 people, 95% women.
- Myung SK, Park Y (2025). Effects of collagen supplements on skin aging: a systematic review and meta-analysis of randomized controlled trials. Am J Med 138(9):1264–1277. Abstract. 23 trials, 1,474 people.
- Pu SY, Huang YL, Pu CM, et al. (2023). Effects of oral collagen for skin anti-aging: a systematic review and meta-analysis. Nutrients 15(9):2080. Results and discussion.
- García-Coronado JM, Martínez-Olvera L, Elizondo-Omaña RE, et al. (2019). Effect of collagen supplementation on osteoarthritis symptoms: a meta-analysis of randomized placebo-controlled trials. Int Orthop 43(3):531–538. Abstract.
- الهيئة العامة للغذاء والدواء، السعودية (٢٠٢٣). دليل تصنيف المنتجات (OPS-G-002-V7-231119). In Arabic. p. 16, item 3.17 (classed as food).
Sources checked on 30 September 2026.
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