14 guides
Diet & Lifestyle
Where nutrition genuinely matters, and where the supplement aisle is selling you nothing.
- Best Diet for Hair Growth: Evidence-Based GuideDiscover which nutrients actually support hair growth. Science-backed guide to iron, vitamin D, protein, and the Mediterranean diet for healthier hair.
- Biotin for Hair: How Much Do You Really Need?Evidence shows biotin supplements don't help hair growth in healthy people. Learn the truth about biotin, dosing, and the lab test danger FDA warns about.
- Sleep and Hair Loss: The Connection Your Dermatologist Might Not MentionResearch shows sleep disorders increase hair loss risk up to 370%. Learn how cortisol, melatonin, and circadian rhythms affect your hair and what you can do.
- Stress Management for Hair Health: Evidence-Based Techniques That Actually WorkResearch shows meditation and relaxation reduce cortisol effectively. Learn evidence-based stress management techniques to support hair growth and recovery.
- Exercise and Hair Loss: What Research Actually ShowsDoes exercise cause hair loss? Research shows moderate exercise supports hair health. Learn the truth about weightlifting, cardio, and hair with evidence-based facts
- Best Hair Growth Supplements: What the Evidence Actually ShowsWhich hair supplements actually work? Clinical evidence for Nutrafol, Viviscal, biotin, vitamin D, iron, and natural DHT blockers. Science-backed recommendations.
- Protein Intake for Hair: Why It Matters and How Much You NeedHair is 88-95% keratin protein. Learn how much protein you need for hair growth, best sources, and when deficiency causes hair loss. Evidence-based recommendations.
- Iron Supplements for Hair Loss: When They Help and How Much You NeedIron deficiency causes 70% of female hair loss. Learn optimal ferritin levels for hair (40-70 ng/mL), best iron supplements, and absorption tips. Evidence-based.
- Zinc and Hair Loss: Deficiency Signs, Testing, and TreatmentZinc deficiency is 3.5x more common in alopecia areata. Learn deficiency signs, optimal zinc levels, best supplement forms, and when testing is needed. Evidence-base
- 30-Day Hair Health Reset: Your Complete PlanA structured 30-day program combining Mediterranean diet, scalp massage, sleep optimization, and stress management. Research shows 57% reduced hair loss risk and 68.
- Creatine and Hair Loss: What the One Rugby Study Found, and What Came AfterDoes creatine cause hair loss? A 2009 study saw DHT rise 56% but never measured hair. The only trial to measure hair found no significant difference vs placebo.
- Saw Palmetto for Hair Loss: What the Trials Actually MeasuredDoes saw palmetto work for hair loss? In the only trial against finasteride, 38% of men improved on saw palmetto versus 68% on finasteride over 24 months.
- Smoking and Hair Loss: What the Studies Show, and What Quitting ChangesDoes smoking cause hair loss? A 2026 meta-analysis found smokers had 1.46 times the odds of pattern hair loss. What quitting does and does not change.
- Hair Loss After Weight Loss: Crash Diets, Bariatric Surgery and the Nutrients That Actually MatterRapid weight loss and bariatric surgery trigger shedding: a 2025 meta-analysis found 47% incidence after surgery. What to test, and when hair grows back.