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Head-to-head evidence comparison — which supplement is right for you?
Guggul and Vitamin A are closely matched across evidence, studies, and safety.
Verdict
Likely helps
3 of 4 studies with measurable effects showed benefit.
Top outcomes
Verdict
Probably helps
9 of 18 studies with measurable effects showed benefit.
Top outcomes
500-1500mg extract daily (standardized to guggulsterones)
With meals, Divided into 2-3 doses
Standardized extract (2.5-10% guggulsterones)
2500-5000 IU daily (retinol); up to 25000 IU (beta-carotene)
With fat-containing meal, Any time of day
Mixed carotenoids or low-dose retinyl palmitate
4-8 weeks
8-12 weeks
4-8 weeks
First few weeks
2-4 weeks
2-4 weeks
4-8 weeks
With chronic excess
Current stage of preclinical and clinical development of guggulsterone in cancers: Challenges and promises
Cell biology international (2024) · Systematic review
The review synthesizes evidence from diverse studies, underscoring the multifaceted biological activities of GS in cancer prevention and treatment.
A Systematic Review and Meta-Analysis of Ayurvedic Herbal Preparations for Hypercholesterolemia
Medicina (Kaunas, Lithuania) (2021) · Meta analysis · n=1386
Meta-analysis of the trials showed that guggulu reduced total cholesterol and low-density lipoprotein levels by 16.78 mg/dL (95% C.I. 13.96 to 2.61; p-value = 0.02) and 18.78 mg/dL (95% C.I. 34.07 to 3.48; p = 0.02), respectively.
Pharmacological properties of guggulsterones, the major active components of gum guggul
Phytotherapy research : PTR (2012) · Systematic review
Its active constituents, the Z- and E-guggulsterones, have been demonstrated to exhibit their biological activities by binding to nuclear receptors and modulating the expression of proteins involved in carcinogenic activities.
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=672
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=6601
Antepartum or postpartum vitamin A supplementation, or both, probably has little or no effect on mother-to-child transmission of HIV in women living with HIV infection and not on antiretroviral drugs.
Based on meta-analysis showing modest reductions in total cholesterol (16.78 mg/dL) and LDL (18.78 mg/dL). Effects require standardized guggulsterone extract. Individual response varies significantly.
AI-estimated from published studies. Interpret as directional guidance.
Both Guggul and Vitamin A are closely matched — the best choice depends on your specific health goals.
For improve skin health, Guggul has a higher relevance score (78 vs 68).
No known interactions between Guggul and Vitamin A have been documented in our database. However, always consult a healthcare provider before combining supplements.