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Head-to-head evidence comparison — which supplement is right for you?
Iron wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Mostly mechanism / observational
Top outcomes
Verdict
Likely helps
11 of 15 studies with measurable effects showed benefit.
Top outcomes
Topical: apply gel as needed. Oral: ~50-100mg inner-leaf extract or ~30-50ml decolorized juice daily
any
Topical inner-leaf gel; decolorized inner-leaf for oral use
18-45mg elemental iron for deficiency (varies by severity)
On empty stomach if tolerated, Away from tea, coffee, dairy
Ferrous bisglycinate (gentle, well-absorbed) or iron protein succinylate
1-4 weeks
2-4 weeks
Hours
2-4 weeks
4-8 weeks
4-12 weeks
Second-Degree Burns and Aloe Vera: A Meta-analysis and Systematic Review.
Advances in skin & wound care (2022) · Meta analysis
Faster burn wound healing vs control
Efficacy and safety of Aloe vera syrup for the treatment of gastroesophageal reflux disease: a pilot randomized positive-controlled trial.
Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan (2015) · Rct
Reduced reflux/heartburn symptom frequency
The Effect of Aloe vera on the Healing of Diabetic Foot Ulcer: A Randomized, Double-blind Clinical Trial.
Current drug discovery technologies (2024) · Rct
Improved ulcer healing vs control
Daily oral iron supplementation during pregnancy
The Cochrane database of systematic reviews (2024) · Meta analysis · n=48971
There is probably little to no difference in maternal death (2 versus 4 events, RR 0.57, 95% CI 0.12 to 2.69; 3 trials, 14,060 women; moderate-certainty evidence).
The Prevalence of Anemia among Pregnant Women in China: A Systematic Review and Meta-Analysis
Nutrients (2024) · Meta analysis · n=722
The results showed that the prevalence of anemia, ID, and IDA among pregnant women in China were 30.7% (95% CI: 26.6%, 34.7%), 45.6% (95% CI: 37.0%, 54.2%), and 17.3% (95% CI: 13.9%, 20.7%), respectively.
Treatment for women with postpartum iron deficiency anaemia
The Cochrane database of systematic reviews (2024) · Meta analysis · n=572
Intravenous iron versus oral iron supplementation The evidence is very uncertain about the effect of intravenous iron on mortality (risk ratio (RR) 2.95, 95% confidence interval (CI) 0.12 to 71.96; P = 0.51; I² = not applicable; 3 RCTs; 1 event; 572 women; very low-certainty evidence).
Based on meta-analyses showing hemoglobin improvements of 2.01-5.30 g/dL in iron deficient populations. Higher doses show diminishing returns with increased GI side effects. Effectiveness varies significantly by baseline iron status and form used.
AI-estimated from published studies. Interpret as directional guidance.
Iron has a higher evidence score (9/10 vs 5.6/10) and wins in 2 of 3 categories.
No known interactions between Aloe Vera and Iron have been documented in our database. However, always consult a healthcare provider before combining supplements.