The Claim

Oral astaxanthin supplementation at doses of 2-12 mg/day for 4-16 weeks significantly improves skin elasticity in middle-aged adults with age-related skin signs, based on pooled analysis of 6 randomized controlled trials showing a large effect size of 0.77 (95% CI: 0.19-1.35, p=0.009).

Source: Systematic Review and Meta-Analysis on the Effects of Astaxanthin on Human Skin Ageing

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports
39score
Challenges
0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Quantitative
1 study reviewed
In plain English

Taking astaxanthin supplements (a natural red pigment found in salmon and shrimp) every day for 1 to 4 months can make your skin more stretchy and elastic if you're middle-aged and noticing early signs of skin aging.

See the scientific wording

Oral astaxanthin supplementation (2-12 mg/day for 4-16 weeks) significantly improves skin elasticity in middle-aged adults with age-related skin signs, with a large effect size of 0.77 (95% CI: 0.19-1.35, p=0.009), based on pooled analysis of 6 randomized controlled trials

What the research says

1 study
  1. Study: Systematic Review and Meta-Analysis on the Effects of Astaxanthin on Human Skin Ageing

    This study directly tests oral astaxanthin supplements and finds they significantly improve skin elasticity with an effect size of 0.77, exactly matching what the claim states. The study supports the claim completely.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.