Guías
10 guías basadas en evidencia sobre suplementos, investigación y decisiones de compra.Investigación de suplementos basada en evidencia en la que puede confiar.
Lifestyle
Hydration and Skin Health: What the Science Actually Says
Separating fact from myth about hydration and skin health — what research reveals about water intake, hyaluronic acid, moisturizers, and maintaining healthy, hydrated skin.
Diet for Healthy Skin: Evidence-Based Nutrition Strategies
How your diet affects your skin health, including which foods support collagen production, reduce inflammation, and protect against premature aging — backed by clinical evidence.
Safety
Biotin Supplements and Lab Test Interference: A Hidden Risk
How biotin (vitamin B7) supplements can interfere with common blood tests, producing potentially dangerous false results for thyroid, cardiac, and hormone tests.
Retinol and Vitamin A Supplement Safety: What You Should Know
Essential safety information about oral vitamin A and retinol supplementation, including toxicity risks, safe dosage ranges, interactions, and who should avoid these supplements.
Research
Probiotics and Skin Health: The Gut-Skin Axis Research
Exploring the emerging science of the gut-skin axis and reviewing clinical evidence for probiotic supplementation in skin conditions including eczema, acne, and aging.
Vitamin C for Skin Health: Topical and Oral Evidence Reviewed
Comprehensive review of clinical evidence for vitamin C in skin health, covering both topical and oral forms, their effects on collagen synthesis, photoprotection, and hyperpigmentation.
Collagen Peptides for Skin Health: A Review of the Clinical Evidence
An in-depth analysis of randomized controlled trials evaluating oral collagen peptide supplementation for skin hydration, elasticity, wrinkle reduction, and overall skin aging.
Beginner
Sun Protection Science: Understanding UV Damage and Prevention
The science of UV radiation and skin damage, including how sunscreen works, the role of antioxidants in photoprotection, and evidence-based strategies for comprehensive sun protection.
Understanding Collagen: The Science Behind the Trend
A science-based guide to collagen — what it is, how it works in the body, how it declines with age, and what the evidence says about collagen supplements for skin health.
Skin Health Basics: The Building Blocks of Healthy Skin
Understand the structure and function of your skin, what determines skin health, and how nutrition, hydration, and lifestyle choices affect your skin from the inside out.