Chlorella
Best for
Lose weight on the scale
Not enough research · 1000–6000 mg/day for 4–12 weeks · 1 meta-analysis , n=421
21 papers · 3 claims · 56 outcomes scored · 3 positive
Outcomes
What chlorella actually does, by outcome
Each row is one outcome with effect size, evidence base, the dose that worked in trials, and time to first effect. Magnitude tiers come from native-unit MCID where available, Cohen's d otherwise.
Less weight on your joints, better blood markers, easier movement.
Softer stools, less straining, and more complete bowel movements.
| Outcome | Effect | Evidence | Dose | Weeks | Rank |
|---|---|---|---|---|---|
| Lose weight on the scale Not enough research | | 6 meta-analyses n=421 Meta-analyzed | 1000–6000 mg | 4–12 wk | — |
| Ease constipation and stay regular Not enough research | | 1 RCT n=80 | 3000 mg | 4 wk | — |
| Lose body fat Not enough research | | 3 RCTs n=54 | 1800–6000 mg | 4–12 wk | — |
Recommended Chlorella products
Real products that dose Chlorella where the research does, in a clean formulation, from brands we've audited. We only list ones we'd stand behind.
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Source Naturals
Emerald Garden Organic Chlorella
Well dosed 6 Gram(s)/day A formulaBrand audit 73/100
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Source Naturals
Yaeyama Chlorella
Well dosed 9 Gram(s)/day A formulaBrand audit 73/100
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The Vitamin Shoppe
Super Greens & Collagen Powder
Well dosed 8 Gram(s)/day A formulaBrand audit 69/100
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Hard Rhino
Pure Chlorella Broken Cell Powder
Well dosed 9,000 mg/day A formula -
HR Supplements
Chlorella Broken Cell
Well dosed 9 Gram(s)/day A formula -
Nestmann Pharma
Nepro Rella
Well dosed 4.8 Gram(s)/day A formula
Chosen for adequate Chlorella dosing vs. the studied range, a clean formulation (grade A–C), and independent brand-quality audits. Not sponsored.
Sources
- 1. Salivary secretory immunoglobulin A secretion increases after 4-weeks ingestion of chlorella-derived multicomponent supplement in humans: a randomized cross over study. (2011) ↑
- 2. Chlorella-derived multicomponent supplementation increases aerobic endurance capacity in young individuals. (2014) ↑
- 3. Changes in arterial stiffness and nitric oxide production with Chlorella-derived multicomponent supplementation in middle-aged and older individuals. (2015) ↑
- 4. Adipokine modulation in obesity: Evaluating the integrative impact of chlorella vulgaris supplementation and interval resistance training in obese males. (2024) ↑
- 5. The beneficial effects of Chlorella vulgaris supplementation on health-related indices in patients with non-alcoholic fatty liver disease: a GRADE-assessed systematic review and meta-analysis. (2026) ↑
- 6. Chlorella-Induced Increase in Cardiac Function Further Enhances Aerobic Capacity Through High-Intensity Intermittent Training in Healthy Young Men and Rats. (2025) ↑
- 7. The Nutritional Efficacy of Chlorella Supplementation Depends on the Individual Gut Environment: A Randomised Control Study. (2021) ↑
- 8. Effect of Chlorella-derived multicomponent supplementation on maximal oxygen uptake and serum vitamin B2 concentration in young men. (2017) ↑
- 9. Chlorella Supplementation Reduces Blood Lactate Concentration and Increases O2 Pulse during Submaximal and Maximal Cycling in Young Healthy Adults. (2024) ↑
- 10. Reduction of Muscle Damage Indices by Consuming Chlorella vulgaris Along With High-Intensity Interval Training in Men With Overweight: A Controlled Clinical Trial. (2025) ↑
Generated August 14, 2026
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