Coleus barbatus · Forskolin · Pashanabheda
250–500 mg extract (10% forskolin) · vegan · gluten-free · 60 caps
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Coleus forskohlii is a tropical perennial herb native to India whose root contains forskolin, a diterpene that directly activates adenylate cyclase, increasing intracellular cAMP levels. It has been marketed for body composition, testosterone support, and blood pressure management.
Forskolin bypasses adrenergic receptors and directly stimulates adenylate cyclase, raising cAMP in adipose, cardiac, and endocrine tissues. Elevated cAMP can increase lipolysis, modulate thyroid hormone action, and influence steroidogenesis. This unique mechanism distinguishes it from stimulant-based fat burners.
Adults interested in non-stimulant body composition support, men exploring natural testosterone optimization, and those seeking traditional Ayurvedic metabolic support.
Avoid during pregnancy and breastfeeding. Use caution with hypotensive medications, anticoagulants, and drugs metabolized by CYP3A4. Discontinue if you experience flushing, low blood pressure, or rapid heartbeat.
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✓ Morning and midday dosing align with metabolic activity and reduce potential sleep disruption.
✓ Morning and midday dosing align with metabolic activity and reduce potential sleep disruption.
✓ Food reduces the flushing and stomach upset that some users experience with forskolin.
Forskolin bypasses adrenergic receptors and directly stimulates adenylate cyclase, raising cAMP in adipose, cardiac, and endocrine tissues.
Each bar = one cited trial. Effect varies by methodology, dose, and population.
Adult males with low-normal testosterone (n≈57)
Normal testosterone range 300–1000 ng/dL (adult male).
see study
→ 12-week RCT in 30 overweight men: forskolin significantly decreased body fat percentage and fat mass, increased bone mass, and raised free testosterone versus placebo.
see study
→ 12-week RCT in 23 overweight women: no significant differences in fat mass, body fat percentage, or body weight between forskolin and placebo groups.
see study
→ RCT showed modest improvements in metabolic syndrome markers when combined with a hypocaloric diet, but not dramatic fat loss.
C · One positive RCT in overweight men (2005) showed modest body composition improvements. A parallel trial in women found no significant effect. Later replication has been inconsistent. Not a potent fat burner.
A plain-English read of the literature behind this supplement. Not a clinical recommendation.
Key citations: PMID 16129715, PMID 18500958, PMID 26593941
How to use Coleus Forskohlii specifically for excess body fat — the right dose, timing, blood markers to track, and how to know if it is working.
A clinical evidence review of Coleus Forskohlii — RCT data, effect sizes, evidence grade, and what the numbers mean for your specific situation.
Everything you need to know about Coleus Forskohlii — mechanism, dose, safety, buying guide for India, and what the research actually says.
SacredBod's longer take on Coleus Forskohlii — context the structured blocks above don't capture.
Coleus forskohlii occupies a peculiar space in the supplement industry: it has a genuinely unique mechanism of action, a single well-cited positive trial, and a subsequent history of failed replication that has not stopped marketers from presenting it as a proven fat burner and testosterone booster. The root’s active compound, forskolin, is a diterpene that bypasses adrenergic receptors and directly activates adenylate cyclase, raising intracellular cAMP. This mechanism is distinct from caffeine, synephrine, and other stimulant thermogenics, which makes forskolin theoretically interesting for long-term use without the receptor down-regulation that plagues stimulant-based products.
The evidence landscape is mixed. A 2005 randomized trial in 30 overweight and obese men found that 250 mg of 10% forskolin extract twice daily for 12 weeks significantly decreased body fat percentage and fat mass (measured by DXA), increased bone mass, and raised serum free testosterone compared to placebo. Lean body mass showed a trend toward increase that did not reach statistical significance. These results generated considerable industry enthusiasm. However, a parallel 2005 trial in 23 mildly overweight women using the same dose and duration found no significant differences in fat mass, body fat percentage, body weight, or metabolic markers between forskolin and placebo. The forskolin group did report less hunger and fatigue, but the primary body composition endpoints were null.
Later research has not resolved this inconsistency. A 2015 trial combining forskolin with a hypocaloric diet showed modest improvements in metabolic syndrome markers — waist circumference, insulin, and blood pressure — but not the dramatic fat loss implied by marketing copy. The overall pattern is one of modest, inconsistent effects that do not justify the hyperbolic claims common in supplement advertising.
Safety is generally acceptable at standard doses, though forskolin’s cAMP-raising activity can cause flushing, low blood pressure, and increased heart rate in sensitive individuals. It may also increase stomach acid production, making it unsuitable for people with active ulcers or GERD. As with many Ayurvedic botanicals, product quality varies; look for extracts standardized to 10–20% forskolin and verified by third-party testing.
For consumers, coleus forskohlii is a mechanistically interesting but clinically underwhelming option for body composition. It is best used as part of a comprehensive approach including diet and exercise, with expectations calibrated to the actual trial data rather than marketing mythology.
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