We use essential cookies (authentication, your saved goals/stack) by default. With your permission we’ll also enable privacy-respecting analytics (Vercel Web Analytics, anonymous load-time metrics) and error-replay diagnostics (Sentry — DOM snapshots only when an error fires) so we can fix bugs faster. Learn more about cookies
Smoking status: not checked. Vitamin A: what these mean for you changes depending on whether you smoke or used to, and you have not told us. That check was skipped.
Head-to-head evidence comparison — which supplement is right for you?
Pelargonium Sidoides vs Vitamin A: Vitamin A has the stronger overall evidence (7 vs 6.5/10); they're alternatives for support immune system — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Vitamin A wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Too few graded studies
Top outcomes
Verdict
Limited support
2 of 9 studies with measurable effects showed benefit.
Top outcomes
Liquid EPs 7630: 30 drops three times daily for adults during an acute infection (the cited trials used this dose in 12 to 18 year olds, and gave adults 30, 60 or 90 mg of EPs 7630 a day as tablets)
Spread through the day
Liquid extract (EPs 7630)
The appropriate advice depends on the form of vitamin A, the reason for use, age, pregnancy status and total intake from all products. SupStack has not established a self-directed dose for this held use.
With fat-containing meal, Any time of day
Mixed carotenoids or low-dose retinyl palmitate
and 2 more not shown
Days 4-7 of an acute episode
Within the acute illness window
During use
2-4 weeks
2-4 weeks
4-8 weeks
With chronic excess
Pelargonium sidoides extract for treating acute respiratory tract infections.
Cochrane Database Syst Rev (2013) · Systematic review · n=10 trials; ~746 adults and ~819 children
Liquid EPs 7630 showed effectiveness for acute bronchitis in both adults and children; tablets did not
Treatment of acute bronchitis with EPs 7630: randomized, controlled trial in children and adolescents.
Pediatr Int (2012) · Rct · n=220 children/adolescents
Significantly greater BSS reduction with EPs 7630 versus placebo (P<0.0001)
Efficacy and tolerability of EPs 7630 tablets in patients with acute bronchitis: a randomised, double-blind, placebo-controlled dose-finding study with a herbal drug preparation from Pelargonium sidoides.
Wien Med Wochenschr (2010) · Rct · n=406 adults
All three active dose groups improved patient-reported outcomes versus placebo at day 7
Effects of primary or secondary prevention with vitamin A supplementation on clinically important outcomes: a systematic review of randomised clinical trials with meta-analysis and trial sequential analysis
BMJ open (2024) · Meta analysis · n=1671672
Vitamin A did not reduce mortality in individually randomised trials (RR 0.99, 95% CI 0.93 to 1.05; I²=32%; p=0.19; 105 trials; moderate certainty), and this effect was not affected by the risk of bias.
Vitamin and Mineral Supplementation During Pregnancy on Maternal, Birth, Child Health and Development Outcomes in Low- and Middle-Income Countries: A Systematic Review and Meta-Analysis
Nutrients (2020) · Meta analysis · n=451723
IFA supplementation showed notable improvement in maternal anemia and the reduction in low birthweight, whereas LNS supplementation had no apparent effect on outcomes; further research that compares LNS and MMN supplementation could help understand differences with these commodities.
Vitamin A supplements for reducing mother-to-child HIV transmission
The Cochrane database of systematic reviews (2017) · Meta analysis · n=7298
Five trials in Malawi, South Africa, Tanzania and Zimbabwe, none of whose participants received antiretroviral therapy. Four trials had 6995 women and one had 303.
Vitamin A has a higher evidence score (7/10 vs 6.5/10) and wins in 2 of 3 categories.
For support immune system, Vitamin A has a higher relevance score (75 vs 62).
No documented interaction was found in the data searched. This does not establish that this exact combination is safe.
The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.