Healing & Recovery Restricted
500 mcg/day · SubQ / Oral
Healing & Recovery Restricted
2.5 mg 2x/wk · SubQ / IM
Healing & Recovery Gray Area
2 mg 5x/wk · SubQ / Topical
Healing & Recovery Gray Area
0.25 mg/kg/day · SubQ daily
Cognitive Enhancement Gray Area
600 mcg/day · Intranasal / SubQ
Cognitive Enhancement Gray Area
500 mcg/day · Intranasal / SubQ
Muscle & Performance Restricted
2 mg/wk · SubQ weekly
Muscle & Performance Restricted
300 mcg · SubQ 1–3x daily
Muscle & Performance Compoundable
300 mcg/night · SubQ nightly
Muscle & Performance FDA-Approved
2 mg/day · SubQ daily
Weight Management Gray Area
1.0 mg/wk · SubQ weekly
Weight Management Gray Area
10 mg/wk · SubQ weekly
Weight Management Restricted
500 mcg/day · SubQ daily
Skin & Anti-Aging Compoundable
2 mg 5x/wk · SubQ / Topical
Skin & Anti-Aging Gray Area
10 mg/day · SubQ / IV
Skin & Anti-Aging Compoundable
8–10% topical · Topical
Immune & Gut Health Compoundable
500 mcg/day · SubQ / Oral
Immune & Gut Health Restricted
1.6 mg 2x/wk · SubQ
Immune & Gut Health Compoundable
1200–2400 mg IV · IV / SubQ / Nebulized
Immune & Gut Health Gray Area
10 mg/day · IM / SubQ
Cognitive Enhancement Gray Area
300 mcg/night · SubQ
Healing & Recovery Restricted
4 mg 3x/wk · SubQ / IV
Immune & Gut Health Gray Area
50 mcg intranasal, 3–4x/day · Intranasal
Cognitive Enhancement Gray Area
10 mg/day · SubQ / Intranasal
Skin & Anti-Aging Compoundable
250 mg IV (or 100 mg SubQ/day) · IV / SubQ / Intranasal
Cognitive Enhancement FDA-Approved
24 IU (intranasal) · Intranasal (spray)
Weight Management Gray Area
6 mg/wk · SubQ weekly
Weight Management Gray Area
2.4 mg/wk · SubQ weekly
Weight Management Restricted
8 mg/wk · SubQ weekly
Muscle & Performance Restricted
500 mcg–1 mg (research protocols) · SubQ (research); IV infusion in clinical trials
Muscle & Performance Compoundable
100 mcg EOD (3–4x/wk) · SubQ
Muscle & Performance FDA-Approved
500 IU EOD (3x/wk) · SubQ / IM
Muscle & Performance FDA-Approved
1.75 mg PRN · SubQ (FDA-approved autoinjector); intranasal used in earlier trials
Muscle & Performance Restricted
200–300 mcg/dose · SubQ, 2–3x daily
Muscle & Performance Restricted
200–300 mcg/dose · SubQ, 2–3x daily
Muscle & Performance Restricted
200 mcg/dose · SubQ, 1–3x daily
Muscle & Performance Restricted
50 mcg/day · SubQ
Muscle & Performance Restricted
400–600 mcg/wk (split 2x/wk) · SubQ / IM (near trained muscle)
Muscle & Performance Restricted
400 mcg (per site) · SubQ / IM, localized to trained muscle
Skin & Anti-Aging FDA-Approved
1 mg 2–3x/wk (maintenance) · SubQ
Skin & Anti-Aging Restricted
1 mg 2–3x/wk (maintenance) · SubQ
Muscle & Performance Restricted
10 mg 3x/wk · SubQ
Muscle & Performance Restricted
No validated human dosing exists (preclinical/rodent only) · IP (rodent studies); not orally bioavailable in original form
Skin & Anti-Aging Restricted
No established human dosing (preclinical mouse protocols only) · IP (mouse studies)
Weight Management Restricted
100–150 mg/day (oral, per research-community convention) · Oral