Supplements
Effectiveness is moderate-low (40) due to limited clinical evidence for hair growth claims. While saw palmetto shows promise in RCTs (e.g., 60% hair quality improvement, PMID:33313047) at 200 mg, biotin at 666 mcg is far below studied 2.5-10 mg doses and ineffective without deficiency (Examine.com; PMID:39148962). Ginseng has animal/in vitro support (PMID:25617238) but scant human data; horsetail silica aids tensile strength in one study (PMID:17960402) but not growth-specific. Vitamins like zin
Average hair supplement with promising herbs like saw palmetto but underdosed vitamins and limited overall evidence. May provide mild support for thinning hair if nutrient gaps exist. Better as adjunct to proven treatments like minoxidil.