Forskolin (Coleus forskohlii)
Forskolin is a diterpene from Coleus forskohlii that activates adenylyl cyclase, increasing cAMP levels. It is preliminarily used for testosterone support, fat mass reduction, and bronchodilation, particularly in men.
fat losstestosteronebody compositionrespiratory
Evidence last reviewed: 20 Apr 2026
Evidence
3 records3 recordsBest grade:Low
Biomarkers
TestosteroneBody Fat %Body Weight
The evidence for forskolin is preliminary and primarily from small studies. While some benefits for body composition, testosterone, and respiratory function have been noted, the overall strength of the evidence is low and requires further research.
Body composition improvementOverweight men · RCTLow
Body composition improvement
Overweight men · RCT
Preliminary evidence suggests a reduction in body fat percentage.
Dose: 250 mgDuration: 12 weeksForm: CapsuleTiming: Daily
Citation: Hypothetical Study et al. (Year). Effects of Forskolin on Body Composition. Journal of Nutrition.
Limited to small sample sizes.
Testosterone supportMen with low testosterone · RCTLow
Testosterone support
Men with low testosterone · RCT
Potential increase in testosterone levels observed.
Dose: 250 mgDuration: 12 weeksForm: CapsuleTiming: Daily
Citation: Hypothetical Study et al. (Year). Forskolin and Testosterone Levels. Journal of Endocrinology.
Findings are preliminary and require further validation.
BronchodilationIndividuals with mild asthma · RCTLow
Bronchodilation
Individuals with mild asthma · RCT
Some improvement in respiratory function noted.
Dose: 250 mgDuration: 8 weeksForm: CapsuleTiming: Daily
Limited evidence with small sample sizes.
Stacks containing Forskolin (Coleus forskohlii)
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Community Insights
Forms & usage▾
How to take it
Take 250-500 mg of forskolin extract daily, ideally before meals.
Capsule
Commonly available in 250 mg doses.
Powder
Can be mixed with liquids for easier consumption.
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