PlainPill

NAC vs Retatrutide for appetite

Short answer: For appetite, more users report improvement with NAC — 90% of 31 reports, versus 73% of 84 for Retatrutide.

NAC has 387 meta-analyses and 767 randomized trials on PubMed; Retatrutide has 22 and 6.

Based on 1,645 reports about NAC and 446 about Retatrutide. Not medical advice.

NAC
Supplement
Retatrutide
Peptide
User score4971
Verdict
Mixed
Mostly positive
Positive
of reports that state an outcome
55%76%
Reports1,645446
ResearchAResearch: StrongBResearch: Moderate
Meta-analyses / RCTs387 / 76722 / 6
Mainly used for
Weight loss
% reporting improvement
75% (4)91% (222)
Appetite
% reporting improvement
90% (31)73% (84)
Focus
% reporting improvement
82% (156)83% (6)
Energy
% reporting improvement
74% (78)69% (75)
Sleep
% reporting improvement
71% (41)31% (26)
Anxiety
% reporting improvement
90% (259)40% (5)
Mood
% reporting improvement
65% (274)66% (32)
Memory
% reporting improvement
79% (14)—
Performance
% reporting improvement
75% (8)82% (33)
Recovery
% reporting improvement
86% (14)100% (8)
Pain & inflammation
% reporting improvement
86% (28)78% (9)
Digestion
% reporting improvement
72% (18)46% (13)
Libido
% reporting improvement
29% (7)25% (12)
Hormones
% reporting improvement
88% (8)100% (13)
Blood sugar
% reporting improvement
100% (3)75% (4)
Heart & lipids
% reporting improvement
67% (12)37% (19)
Skin & hair
% reporting improvement
89% (18)—
Immunity
% reporting improvement
97% (34)—
Longevity
% reporting improvement
100% (7)—
Common side effectsanhedonia, fatigue, stomach issues, depressionnausea, fatigue, stomach issues, insomnia
Typical dose reportedas neededNot listed
NAC
Latest review conclusion

Taken together, these preliminary findings suggest that dietetic approaches might be included as part of BD treatment. Also considering the high risk of metabolic disorders in individuals with BD, they should be encouraged to choose healthy dietary lifestyles, including daily intake of fruits, vegetables, seafood and whole grains.

Nutr Neurosci, 2023 ↗
What a user said
“NAC has helped me stay calm and reduce anxiety as well as gives me loads of energy if I am sleep deprived.”
Full NAC 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 →

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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