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Head-to-head evidence comparison — which supplement is right for you?
Bergamot wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
4 of 5 studies with measurable effects showed benefit.
Top outcomes
Verdict
Mixed evidence
4 of 12 studies with measurable effects showed benefit.
Top outcomes
500-1000mg bergamot polyphenolic fraction (BPF)
With meals, Once or twice daily
Bergamot polyphenolic fraction (BPF) — Bergamonte is well-studied
150-300mcg for maintenance; higher only if deficient under supervision
Any time with food
Potassium iodide (most common and studied)
4-12 weeks
4-12 weeks
8-12 weeks
4-12 weeks
4-8 weeks
A network meta-analysis on the comparative effect of nutraceuticals on lipid profile in adults
Pharmacological research (2022) · Meta analysis · n=13062
Evidence for bergamot effect was based on relatively small study group and may require further investigations.
Randomized, Double-Blind, Placebo-Controlled Trial to Test the Effects of a Nutraceutical Combination Monacolin K-Free on the Lipid and Inflammatory Profile of Subjects with Hypercholesterolemia
Nutrients (2022) · Rct · n=118
Compared to the placebo, at 6 and 12 weeks, NC did not significantly reduce total cholesterol (p = 0.083), LDL cholesterol (p = 0.150), and triglycerides (p = 0.822).
Effect of bergamot on lipid profile in humans: A systematic review
Critical reviews in food science and nutrition (2020) · Systematic review · n=442
Although statins can reduce LDLc by 50-60%, less than 20% of patients with high risk of CVD achieve LDL targets.
Maternal Iodine Status and Birth Outcomes: A Systematic Literature Review and Meta-Analysis
Nutrients (2023) · Meta analysis · n=42269
Birth weight was similar between UIC ≥ 150 μg/L and <150 μg/L (difference = 30 g, 95% CI −22 to 83, p = 0.3, n = 13, I2 = 89%) with no evidence of linear trend (4 g per 50 μg/L, −3 to 10, p = 0.2, n = 12, I2 = 80%).
Iodine fortification of foods and condiments, other than salt, for preventing iodine deficiency disorders
The Cochrane database of systematic reviews (2019) · Meta analysis · n=4317
This is equivalent to an increase of 38.32 µg/L (95% CI 24.03 to 52.61 µg/L).
Systematic review and meta-analysis of iodine nutrition in modern vegan and vegetarian diets
The British journal of nutrition (2023) · Meta analysis · n=4421
Vegan diets had the poorest iodine intake (17·3 µg/d) and were strongly associated with lower iodine intake (P = < 0·001) compared with omnivorous diets.
Based on systematic review showing 75% of studies had significant effects, but meta-analysis noted small study groups requiring further investigation. One RCT showed no significant reduction at 6-12 weeks.
Based on meta-analyses showing urinary iodine concentration increases with supplementation. Effects only meaningful in iodine-deficient populations. Excessive intake (>300mcg) may increase thyroid cancer risk. Most studies used potassium iodide; kelp-derived forms have variable bioavailability.
AI-estimated from published studies. Interpret as directional guidance.
Bergamot has a higher evidence score (6.5/10 vs 8.5/10) and wins in 2 of 3 categories.
No known interactions between Bergamot and Iodine have been documented in our database. However, always consult a healthcare provider before combining supplements.