PlainPill

Ipamorelin vs Retatrutide for weight loss

Short answer: For weight loss, users rate them about the same: 93% report improvement with Ipamorelin (43 reports) and 91% with Retatrutide (222 reports).

Ipamorelin has 0 meta-analyses and 2 randomized trials on PubMed; Retatrutide has 22 and 6.

Based on 378 reports about Ipamorelin and 446 about Retatrutide. Not medical advice.

Ipamorelin
Peptide
Retatrutide
Peptide
User score1871
Verdict
Mostly positive
Mostly positive
Positive
of reports that state an outcome
63%76%
Reports378446
ResearchCResearch: LimitedBResearch: Moderate
Meta-analyses / RCTs0 / 222 / 6
Mainly used for
Weight loss
% reporting improvement
93% (43)91% (222)
Appetite
% reporting improvement
25% (12)73% (84)
Focus
% reporting improvement
100% (5)83% (6)
Energy
% reporting improvement
88% (17)69% (75)
Sleep
% reporting improvement
77% (65)31% (26)
Anxiety
% reporting improvement
—40% (5)
Mood
% reporting improvement
100% (8)66% (32)
Performance
% reporting improvement
82% (33)82% (33)
Recovery
% reporting improvement
88% (43)100% (8)
Pain & inflammation
% reporting improvement
100% (13)78% (9)
Digestion
% reporting improvement
33% (3)46% (13)
Libido
% reporting improvement
—25% (12)
Hormones
% reporting improvement
72% (18)100% (13)
Blood sugar
% reporting improvement
0% (3)75% (4)
Heart & lipids
% reporting improvement
—37% (19)
Skin & hair
% reporting improvement
91% (11)—
Common side effectsinsomnia, flushing, water retention, fatiguenausea, fatigue, stomach issues, insomnia
Typical dose reportedNot listedNot listed
Ipamorelin
What a user said
“CJC-1295, Ipamorelin, rHGH all help. Helped me recover from Phenibut overuse and dependence, and heavy stimulants.”
Full Ipamorelin profile →
Retatrutide
Latest review conclusion

This systematic review identifies the state and mechanism of action of emerging pharmacotherapies undergoing or having completed phase 2 and phase 3 clinical trials. The information provided herein furthers the understanding of obesity management, implying direct clinical implications and stimulating research initiatives.

Pharmacol Rev, 2025 ↗
What a user said
“Drastically reduced appetite: At 5mg, I experienced near-total suppression of hunger and cravings. Steady, effortless fat loss: I didn't have to track macros obsessively or do extreme cardio.”
Full Retatrutide profile →

Related comparisons

Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate