PlainPill

HGH vs Vitamin C for skin & hair

Short answer: For skin & hair, users rate them about the same: 96% report improvement with HGH (28 reports) and 96% with Vitamin C (24 reports).

HGH has 14 meta-analyses and 146 randomized trials on PubMed; Vitamin C has 738 and 2,072.

Based on 381 reports about HGH and 715 about Vitamin C. Not medical advice.

HGH
Peptide
Vitamin C
Supplement
User score5544
Verdict
Mostly positive
Mostly positive
Positive
of reports that state an outcome
65%68%
Reports381715
ResearchAResearch: StrongAResearch: Strong
Meta-analyses / RCTs14 / 146738 / 2,072
Mainly used for
Weight loss
% reporting improvement
92% (38)100% (3)
Focus
% reporting improvement
100% (2)67% (9)
Energy
% reporting improvement
88% (8)100% (27)
Sleep
% reporting improvement
86% (28)71% (14)
Anxiety
% reporting improvement
25% (4)92% (13)
Mood
% reporting improvement
100% (5)86% (21)
Memory
% reporting improvement
—80% (5)
Performance
% reporting improvement
80% (54)25% (4)
Recovery
% reporting improvement
94% (72)100% (8)
Pain & inflammation
% reporting improvement
71% (17)79% (14)
Digestion
% reporting improvement
—75% (4)
Libido
% reporting improvement
100% (4)100% (2)
Hormones
% reporting improvement
75% (12)100% (4)
Blood sugar
% reporting improvement
12% (8)—
Heart & lipids
% reporting improvement
20% (5)75% (4)
Skin & hair
% reporting improvement
96% (28)96% (24)
Immunity
% reporting improvement
—88% (25)
Longevity
% reporting improvement
78% (9)100% (3)
Common side effectswater retention, carpal tunnel, joint pain, stomach issuesstomach issues, kidney stones, insomnia, bone pain
Typical dose reportedNot listed2000 mg / daily
HGH
Latest review conclusion

Many critical gaps remain in our knowledge of the pathogenesis, prevention, and management of endometrial trauma and IUAs. PROSPERO (ID: CRD42023366218).

Hum Reprod Update, 2025 ↗
What a user said
“one of my original accounts is regarding HGH . Posted it a while back . Helped me a lot.”
Full HGH profile →
Vitamin C
Latest review conclusion

The failure of vitamin C supplementation to reduce the incidence of colds in the general population indicates that routine vitamin C supplementation is not justified, yet vitamin C may be useful for people exposed to brief periods of severe physical exercise. Regular supplementation trials have shown that vitamin C reduces the duration of colds, but this was not replicated in the few therapeutic trials that have been carried out. Nevertheless, given the consistent effect of vitamin C on the duration and severity of colds in the regular supplementation studies, and the low cost and safety, it m

Cochrane Database Syst Rev, 2013 ↗
What a user said
“I know people say you get enough vitamin C from diet but I feel and look better when I supplement it.”
Full Vitamin C 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