Results
Slow is the point.
Collagen is structural protein. It is what your skin, hair, nails, joints, and connective tissue are partly made of. After thirty, you make less of it each year. The premise of the supplement is straightforward: replace some of what you have stopped producing, and let the body decide where to spend it.
The body decides slowly. This is not a flaw of the product. It is how protein synthesis works.
What the research shows
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Skin moisture, at eight weeks |
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In a Dermatest study of twenty women aged 40–55, daily oral marine hydrolysed collagen raised facial skin moisture by an average of 34.8% and forearm skin moisture by 11.1% after eight weeks. No undesired or pathological side effects were reported.¹ |
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Skin, hair and nails, at six months |
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In a Biognosis trial of 115 healthy adults, participants taking marine hydrolysed collagen showed consistent improvements in skin, hair and nail health compared to placebo, with the largest gains observed in the first two months. Improvements across measures ranged from 4% to 17% versus placebo over the six-month period.² What that means in plain terms: most people notice the change in skin first, somewhere in the second month. Hair and nails follow. Connective tissue takes longer — months, not weeks — because denser tissue renews more slowly than skin. |
What we do not promise
No reversal. No glow-up. No before-and-after. We support what the body already is.
Marine collagen is a food supplement, not a medicine, and is intended to support, not replace, a varied diet. Individual results vary.
¹ Dermatest, Eight-week oral application test on marine hydrolysed collagen, 20 women aged 40–55 (2017).
² Biognosis, Six-month controlled trial of Seagarden marine collagen vs. placebo, 115 healthy volunteers (2020).