ByDr. Brennan Commerford, Chiropractic Physician·Last reviewed: April 2026
All Ingredients
supplement1 form

Coleus Forskohlii

Preferred Form
10% Forskolin (Forslean)
Bioavailability
S2
Evidence Level
Moderate Evidence

Quick Answer

What is the best form of Coleus Forskohlii?

10% Forskolin (Forslean) is our top-ranked form of Coleus Forskohlii, classified as T1 Preferred with S2 bioavailability. We compared 1 forms in our formulary.

Our recommendation: 10% Forskolin (Forslean)

1forms compared

All Forms of Coleus Forskohlii

FormTierBioavailabilityDose RangeUnit
10% Forskolin (Forslean)T1 PreferredS2

Bioavailability by Form

S2 — Good
10% Forskolin (Forslean)

What is Coleus Forskohlii?

Coleus Forskohlii is a supplement supplement available in 1 form.

Not all forms of Coleus Forskohlii are equal. The form you choose determines how much Coleus Forskohlii actually reaches your tissues, and the difference between the best and worst forms can be substantial. This Coleus forskohlii extract standardized to 10% forskolin via Forslean® technology provides consistent potency of the diterpene that directly activates adenylyl cyclase, raising cellular cAMP levels. Research supports this standardized form for promoting healthy metabolism, body composition, and thyroid function more reliably than unstandardized coleus preparations.

Forms of Coleus Forskohlii Compared

Coleus Forskohlii Extract 10%(Forslean®) Preferred (T1 Preferred) has a bioavailability rating of good (S2). Typical dose range: not yet documented in our database.

What the Research Shows

Forslean (Coleus forskohlii standardized to 10% forskolin) activates adenylyl cyclase to increase intracellular cAMP — a key second messenger in metabolic signaling. Clinical research supports its use for body composition optimization and thyroid function support. The 10% forskolin standardization ensures clinically meaningful cAMP activation.

How to Choose the Right Form

Coleus Forskohlii Extract 10%(Forslean®) is classified as T1 Preferred in the FormulaForge formulary — our top recommendation for Coleus Forskohlii. It carries a bioavailability rating of good (S2), meaning more of the active compound reaches your tissues per dose unit compared to lower-tier forms.

When choosing a Coleus Forskohlii supplement, look for the S1 (best absorption) bioavailability tier on the label or formulary listing. T1 Preferred forms have the strongest research-backed evidence for efficient absorption.

Other forms may be appropriate depending on individual goals, cost considerations, and your healthcare provider’s guidance. The best form for you depends on your specific health needs.

Dosing & Safety

For Coleus Forskohlii Extract 10%(Forslean®), the typical dosing range is not yet documented in our database. Individual dose requirements vary based on health goals, body weight, and existing nutrient intake.

Side Effects: Specific side effect data for these forms is not yet documented in our database. In general, consult your healthcare provider regarding tolerability at higher doses.

These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease. Always consult a qualified healthcare provider before starting or changing a supplement regimen.

Dosing Guidance

Dosing information not yet available for this ingredient.

Frequently Asked Questions

What is the best form of Coleus Forskohlii?
Coleus Forskohlii Extract 10%(Forslean®) is the T1 Preferred form of Coleus Forskohlii in the FormulaForge formulary, reflecting research-backed evidence for superior bioavailability (good (S2)). This classification is based on published absorption studies and clinical evidence quality. The best form for you depends on your individual health goals and your healthcare provider's recommendations. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen.
How much Coleus Forskohlii should I take daily?
Dosing information for Coleus Forskohlii is being compiled in our database. Individual dose requirements vary based on health goals and existing nutrient intake. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen. These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease.
What are the benefits of Coleus Forskohlii?
Coleus Forskohlii has been studied for its role in supporting: Supports healthy body composition and lean mass, Supports cellular cAMP signaling, Supports healthy thyroid function, Supports cardiovascular health. Forslean (Coleus forskohlii standardized to 10% forskolin) activates adenylyl cyclase to increase intracellular cAMP — a key second messenger in metabolic signaling. Clinical research supports its use for body composition optimization and thyroid function support. The 10% forskolin standardization ensures clinically meaningful cAMP activation. These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease.
When is the best time to take Coleus Forskohlii?
Optimal timing for Coleus Forskohlii supplementation depends on the specific form, dosage, and individual factors. Some forms may be better absorbed with food; others may not require food. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen.
Are there side effects of taking Coleus Forskohlii?
Tolerability of this supplement supplement varies by individual, dose, and specific form. Some individuals may experience gastrointestinal discomfort at higher doses. Specific side effect profiles for each form of Coleus Forskohlii are documented in our formulary where available. Always consult a qualified healthcare provider before starting, stopping, or adjusting any supplement regimen. These statements are based on structure/function research and have not been evaluated by the FDA. This information is not intended to diagnose, treat, cure, or prevent any disease.
What forms of Coleus Forskohlii are available?
There are 1 form of Coleus Forskohlii in our formulary: Coleus Forskohlii Extract 10%(Forslean®) (T1 Preferred, bioavailability: good (S2)). Forms differ in chemical structure, bioavailability, and typical dose range. FormulaForge classifies forms by tier based on published bioavailability evidence.

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FormulaForge formulates and sells supplements containing the ingredients discussed on this page. Our formulary recommendations are based on peer-reviewed bioavailability research. All cited studies are independently verifiable.