From around our mid‑twenties, the body makes less collagen – the protein that keeps skin firm, joints cushioned and bones strong – which is why fine lines and morning stiffness often arrive together. Hydrolysed marine collagen peptides give your body ready‑to‑use building blocks for this “scaffolding”, and several clinical trials now suggest they can make a measurable difference.
A 2023 meta‑analysis of 26 randomised controlled trials (1,721 people) found that oral collagen significantly improved skin hydration and elasticity compared with placebo, with many studies using marine or fish‑derived peptides. Individual trials have reported reduced wrinkle depth and increased dermal density after 8–12 weeks of marine collagen, especially in women with visible signs of skin ageing.
Joints also seem to respond: clinical work in athletes and people with osteoarthritis shows that daily collagen hydrolysate for 3–6 months can reduce joint pain and improve mobility, likely by supporting cartilage and connective tissues. One six‑month trial in athletes reported statistically significant reductions in joint pain at rest and during activity in the collagen group versus placebo.
Royal Oak Health’s Marine Collagen Complex delivers 1000 mg of Type I marine collagen peptides in two capsules, alongside vitamin C, hyaluronic acid, zinc, copper, iodine and vitamin E. Vitamin C is particularly important here: EFSA recognises the authorised claim that “vitamin C contributes to normal collagen formation for the normal function of skin, bones and cartilage,” which is exactly the role it plays in this formula.
Taken daily with food, most people will need 8–12 weeks to fairly judge changes in skin texture or joint comfort, as that’s the timeframe used in many of the trials above. Because this is a marine‑sourced product, it isn’t suitable if you’re vegetarian, vegan or have a fish allergy, and as with any supplement, it’s worth checking in with your GP or pharmacist if you’re pregnant, breastfeeding or taking medication.
Pu, D. et al. “Effects of Oral Collagen for Skin Anti‑Aging: A Systematic Review and Meta‑Analysis.” Nutrients 2023;15(9):2080. doi:10.3390/nu15092080.
