Size, lean mass, strength

Peptides for muscle

Sorted by strength of evidence, never by popularity. A higher grade means stronger proof, not that something is safe or right for you.

/

6 profiles

B

Smaller human trials

1

Research compound
MK-677
Ibutamoren, Nutrobal
B
Main risk: Possible heart failure, and raised blood sugar
Legal
Not approved
Cost a month
No legal price

C

Early or weak human data

3

Research compound
CJC-1295
DAC:GRF, Modified GRF (1-29)
C
Main risk: Fast heart rate and flushing reactions reported
Legal
Not approved
Cost a month
No legal price
Research compound
GHRP-6
Growth hormone releasing peptide 6, SKF-110679
C
Main risk: Higher blood sugar, cortisol and hunger
Legal
Not approved
Cost a month
No legal price
Prescription
Sermorelin
Geref, GHRH (1-29)
C
Main risk: Long-term safety in healthy adults unknown
Legal
Restricted in US
Cost a month
Clinic prices vary

D

Anecdote only

2