Astaxanthin: Independent Evidence on Skin, UV & ‘Internal Sunscreen’ Claims
Internal sunscreen? Skin moisture yes, lipid claims weak. Independent human-trial evidence, funding traced, evidence graded.
Eczema & Skin
Glutathione: Independent Evidence on Skin Whitening, IV Safety & Antioxidant Claims
Skin brightening from within? Oral weak, IV unsafe. Independent human-trial evidence, funding traced, evidence graded.
Eczema: Supplements That Work vs Popular Ones With No Evidence
Key takeaways No supplement cures eczema — the best-supported signals (vitamin D, omega-3 EPA/DHA, certain probiotic strains) are targeted adjuncts, not replacements for moisturizers and prescribed anti-inflammatory treatment. Vitamin D evidence conflicts: a 2024 meta-analysis of 11 RCTs (686 participants) found a modest severity reduction (SMD −0.41), while a 2023 meta-analysis of 5 RCTs found … Read more
Eczema: Prevention and Management — The Complete Evidence-Based Guide
Key takeaways Cochrane reviewed 77 studies (6,603 participants) and found daily moisturizers cut flare risk to a third of control (RR 0.33) — the single strongest eczema-prevention intervention, though 46 of the included studies had pharmaceutical-company funding. Cochrane found no reliable evidence that any one moisturizer ingredient beats another — the “best” moisturizer is the … Read more