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
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Biomarkers studied
Outcomes directly measured across the evidence records below
Hormonal
Testosterone
Metabolic
Body Fat %Body Weight
Evidence
3 records
Body composition improvement
Overweight men • RCT
PUBMEDLow
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 support
Men with low testosterone • RCT
PUBMEDLow
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.
Bronchodilation
Individuals with mild asthma • RCT
PUBMEDLow
Some improvement in respiratory function noted.
Dose: 250 mgDuration: 8 weeksForm: CapsuleTiming: Daily
Limited evidence with small sample sizes.
Forms
Capsule
Commonly available in 250 mg doses.
Powder
Can be mixed with liquids for easier consumption.
Stacks containing Forskolin (Coleus forskohlii)
Public community stacks that include this ingredient.
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