Nutrition & Skin

What It Is

The relationship between dietary patterns and skin health is robustly supported by evidence. High glycaemic index foods (refined carbohydrates, sugars) raise blood insulin and IGF-1, which stimulate sebaceous glands and inflammatory pathways linked to acne. Dairy — particularly skim milk — is associated with increased acne severity in observational studies (possibly via IGF-1 in milk). Anti-inflammatory diets (Mediterranean, rich in polyphenols, omega-3s, vegetables) consistently show improvements in inflammatory skin conditions, epigenetic aging markers and overall skin quality.

Key Context

Evidence-based dietary priorities for skin: reduce refined sugar and high-GI carbohydrates, increase omega-3 rich foods (fatty fish, walnuts, flaxseed), eat a diverse range of plant foods (microbiome diversity), ensure adequate zinc, selenium, Vitamin C, Vitamin D and protein for collagen synthesis. Hydration supports skin plumpness and barrier function but does not meaningfully reduce wrinkles.

Learn More

• Oral Collagen Supplements
• Acne-Prone Skin Routine
• Science Deep Dives