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they're unregulated, potentially impure, and lack dosage precision, posing health risks like bacterial contamination or heavy metals.[44][45][46] Unregulated online sources amplify dangers with potential counterfeits, unknown additives, or legal violations, as they're not FDA-approved and may lead to adverse effects or inefficacy.[47][48][49] Prioritize compounding pharmacies for reliable, compliant options

It can feel alarming, but doctors say that's often part of the process as weaker hairs fall out to make room for new growth

Rotate sites systematically (abdomen at least 2 inches from navel, thighs, upper arms) to avoid lipohypertrophy [8]

In more intensive therapy scenarios (such as for chronic fatigue or recovery support), a practitioner might recommend a series of daily injections over 5-10 days at 100-250 mg per day, then taper to a maintenance schedule