Reference · For research

Peptide dosage chart

Reviewed by Doctor Pharmacist, MD, PharmDUpdated Oct 14, 2026

Commonly referenced research dosing protocols for each peptide on this site, in one place. Tap a peptide for how it works, side effects and the studies behind it. To turn a dose into units, use the dosage calculator; to prepare a vial, see how to mix peptides.

PeptideResearch protocol
SemaglutideWeeks 1-4: 0.25 mg once weekly
Weeks 5-8: 0.5 mg once weekly
Weeks 9-12: 1 mg once weekly
Week 13 and beyond: 2 mg once weekly
TirzepatideWeeks 1-4: 2.5 mg once weekly
Weeks 5-8: 5 mg once weekly
Weeks 9-12: 7.5 mg once weekly
Weeks 13-16: 10 mg once weekly
Weeks 17-20: 12.5 mg once weekly
Week 21 and beyond: 15 mg once weekly
RetatrutideWeeks 1-4: 1.5 mg once weekly
Weeks 5-8: 3 mg once weekly
Weeks 9-12: 6 mg once weekly
Weeks 13-16: 8 mg once weekly
Weeks 17-20: 10 mg once weekly
Week 21 and beyond: 12 mg once weekly
CagrilintideWeeks 1–2: 0.6 mg/week
Weeks 3–4: 1.2 mg/week
Weeks 5–6: 2.4 mg/week
Weeks 7 and beyond: 4.8 mg/week
5-Amino-1MQWeek 1: 0.5 - 1 mg daily
Weeks 2-3: 2 mg daily
Week 4 and beyond: Up to 5 mg daily
NAD⁺ (buffered)50 mg twice weekly (no up-titration needed)
TesamorelinWeeks 1-2: 0.5 mg every night
Weeks 3-4: 1 mg every night
Weeks 5 and beyond: 2 mg every night
SermorelinWeek 1: 100 mcg (0.1 mg) daily
Week 2: 200 mcg (0.2 mg) daily
Week 3 and beyond: 300 mcg (0.3 mg) daily
IpamorelinWeek 1: 100 mcg (0.1 mg) daily
Week 2: 100 mcg (0.1 mg) twice daily, for 200 mcg (0.2 mg) total every day
Week 3 and beyond: 150 mcg (0.15 mg) twice daily, for 300 mcg (0.3 mg) total every day
CJC-1295CJC-1295 without DAC, week 1: 100 mcg (0.1 mg) daily
CJC-1295 without DAC, week 2: 200 mcg (0.2 mg) daily
CJC-1295 without DAC, week 3: 300 mcg (0.3 mg) daily
CJC-1295 without DAC, weeks 4 and beyond: 400 mcg (0.4 mg) daily
CJC-1295 with DAC, weeks 1-2: 1 mg weekly
CJC-1295 with DAC, weeks 3 and beyond: 2 mg weekly
CJC-1295 / Ipamorelin blendWeek 1: 0.2 mg daily total (0.1 mg of each component daily)
Week 2: 0.4 mg daily total (0.2 mg of each component daily)
Week 3: 0.6 mg daily total (0.3 mg of each component daily)
Weeks 4 and beyond: 0.8 mg daily total (0.4 mg of each component daily)
BPC-157Weeks 1-4: 250 mcg/day (0.25 mg/day)
Weeks 5 and beyond: 500 mcg/day (0.50 mg/day)
TB-500Weeks 1-4 (treatment phase): 2.5 mg twice weekly
Week 5 and beyond (maintenance phase): 0.25 mg/day
Thymosin β4 (TB4)Weeks 1-2: 0.5 mg daily
Week 3 and beyond: 1 mg daily
BPC-157 / TB4 blendWeek 1: 0.5 mg of each daily (1 mg total)
Weeks 2 and beyond: 1 mg of each daily (2 mg total)
KPVWeeks 1-2: 100 mcg (0.1 mg) daily
Weeks 3-4: 200 mcg (0.2 mg) daily
Weeks 5-6: 400 mcg (0.4 mg) daily
Week 7 and beyond: 500 mcg (0.5 mg) daily
GHK-CuWeeks 1-2: 1 mg/day
Weeks 3-4: 2 mg/day
Weeks 5 and beyond: 3 mg/day
Afamelanotide (Melanotan I)First 10 days (loading phase): 0.25 – 0.5 mg once daily
Day 11 and beyond (maintenance phase): 0.5 mg – 1 mg once weekly, depending on desired effect
Melanotan IIWeeks 1-2 (loading phase): 0.5 mg/day
Week 3 and beyond (maintenance phase): 0.25 mg/day
GLOW blendWeek 1: 2 mg daily (2 mg total, which adds up to 1.42 mg GHK-Cu and 0.285 mg of each of BPC-157 and TB4 (or TB-500))
Week 2 and beyond: 4 mg daily (4 mg total, which adds up to 2.84 mg GHK-Cu and 0.57 mg of each of BPC-157 and TB4 (or TB-500))
KLOW blendWeek 1: 2 mg daily (2 mg total, which adds up to 1.25 mg GHK-Cu and 0.25 mg of each of KPV, BPC-157, and TB4 (or TB-500))
Week 2 and beyond: 4 mg daily (4 mg total, which adds up to 2.5 mg GHK-Cu and 0.50 mg of each of KPV, BPC-157, and TB4 (or TB-500))
PT-141 (bremelanotide)1.75 mg injected subcutaneously 45 minutes - 1 hour before anticipated sexual activity
N-Acetyl Semax AmidateWeeks 1-2: 0.3 mg (300 mcg) daily
Weeks 3-4: 0.5 mg (500 mcg) daily
Week 5 and beyond: Up to 1 mg daily
DSIPWeeks 1-2: 0.2 mg (200 mcg) 30-60 minutes before bed
Weeks 3 and beyond: 0.5 mg (500 mcg) 30-60 minutes before bed
MOTS-c5 mg twice weekly, every week (no up-titration)
EpithalonWhile no standard dosage has been established, a common research dosing protocol for epithalon is 5 mg daily, administered by injection under the skin (subcutaneous)
For education only These are protocols reported in research settings, not dosing recommendations. Many of these peptides are not FDA-approved. A licensed clinician should set any actual dose.