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How does forskolin from East African Sage work in the body?
Forskolin, the primary active compound in Plectranthus barbatus, works by directly activating adenylate cyclase, an enzyme that increases intracellular levels of cyclic AMP (cAMP). This mechanism is unique among natural compounds. Elevated cAMP levels promote vasodilation, cardiac muscle contraction, and lipolysis. This evidence-based mechanism (Level B) explains forskolin's researched applications for glaucoma, heart failure, and weight management, as cAMP signaling plays a central role in these physiological processes.
What medications interact with East African Sage and forskolin?
East African Sage (Plectranthus barbatus) has significant drug interaction potential. Forskolin enhances the effects of antihypertensive medications, potentially causing dangerous hypotension. It should not be combined with anticoagulants or antiplatelet drugs due to increased bleeding risk. Forskolin may also interact with nitrates, calcium channel blockers, and beta-blockers. Those on heart medications should avoid this herb. Always consult a healthcare provider before combining forskolin supplements with prescription medications.
What is the recommended dosage for East African Sage forskolin supplements?
The standard adult dosage for Plectranthus barbatus extract is 250mg standardized to 10% forskolin, taken twice daily. This provides approximately 50mg of forskolin per day. Dosages may vary depending on the specific condition being addressed. For weight management research applications, similar dosing protocols have been studied. Always follow product label instructions and consult a healthcare provider for personalized dosing, as individual needs may vary based on health status and concurrent medications.
Is East African Sage safe during pregnancy and breastfeeding?
East African Sage (Plectranthus barbatus) is considered unsafe during pregnancy and should be strictly avoided. Forskolin's ability to increase cAMP levels may stimulate uterine contractions and potentially cause miscarriage or premature labor. There is insufficient safety data for breastfeeding, so avoidance is recommended. Women who are pregnant, planning pregnancy, or breastfeeding should not use forskolin-containing supplements. Consult a healthcare provider for safe alternatives during these periods.
What are the main medicinal uses of East African Sage?
East African Sage (Plectranthus barbatus) is primarily used for its forskolin content, which has been researched for cardiovascular conditions, glaucoma, and weight management. Traditional uses include digestive support and respiratory conditions. The herb's ability to activate cAMP makes it unique among medicinal plants. Evidence level B supports its potential applications, though more research is needed. The plant also contains rosmarinic acid and flavonoids that contribute to its overall therapeutic profile.
Fiche d'information compilée à partir de PubMed
Cette fiche a été compilée à partir de résumés PubMed (NIH) avec l'assistance d'une IA. Chaque affirmation factuelle est citée par un article PubMed réel (voir la liste des sources). Elle n'a pas encore été révisée par un humain — confirmez auprès d'un professionnel de santé avant utilisation.
Compilé à partir de 29 articles PubMed · modèle : gemma4:31b
Résumé
Plectranthus barbatus (synonym Coleus forskohlii) is a medicinal herb from the Lamiaceae family used traditionally for various respiratory, cardiovascular, and digestive ailments [PMID:20178070, PMID:31989223].
Contexte
Plectranthus barbatus, also known as Coleus forskohlii or Brazilian boldo, is a tropical perennial herb belonging to the Lamiaceae family [PMID:20178070, PMID:31803808, PMID:38024105]. It is widely cultivated in India and used in Hindu, Ayurvedic, and folk medicine across Brazil, tropical Africa, and China [PMID:20178070, PMID:31803808].
Usages traditionnels
Major ethnobotanical uses include treating intestinal disturbances, liver fatigue, respiratory disorders, heart diseases, and certain nervous system disorders [PMID:20178070, PMID:20186655]. It is also used for bronchitis, asthma, hay fever, angina, and abdominal disorders [PMID:31989223].
Composés actifs
The plant contains essential oils, abietane diterpenoids, and 8,13-epoxy-labd-14-en-11-one diterpenoids [PMID:20178070, PMID:20186655]. A primary active constituent is forskolin, a labdane-type diterpenoid found exclusively in the cork tissue of the roots [PMID:33928347, PMID:32893572, PMID:36985280]. Other identified compounds include flavonoids, cinnamic acid derivatives, and organic acids [PMID:38024105].
Mécanisme d'action
Forskolin acts by stimulating the enzyme adenylate cyclase, which increases the concentration of cyclic adenosine monophosphate (cAMP) [PMID:23023353, PMID:25726172, PMID:38623169]. In the eye, this activates the ciliary epithelium to reduce aqueous humor inflow, thereby decreasing intraocular pressure [PMID:23023353].
Preuves cliniques
Preuve CGlaucoma
Topical application of forskolin is capable of reducing intraocular pressure in humans, rabbits, and monkeys [PMID:23023353].
Preuve DHypertension
Hydroethanolic extract of P. barbatus leaves promoted an endothelium-dependent vasodilator effect in the aorta of spontaneously hypertensive rats [PMID:38024105].
Preuve DAllergic Bronchospasm
Intravenous or intratracheal administration of forskolin prevented bronchospasm in sensitized guinea pigs in a dose-related fashion [PMID:2410281].
Sécurité et effets indésirables
A cytogenetic assay in Allium cepa indicated that forskolin may cause genotoxic effects, including significant reductions in mitotic index and increased frequency of chromosome aberrations [PMID:25726172].
Interactions médicamenteuses
Forskolin may act synergistically with epinephrine, ephedrine, and pseudoephedrine [PMID:23023353]. It may enhance the effects of anti-clotting medications such as warfarin, clopidogrel, aspirin, and enoxaparin [PMID:23023353].
Synthèse des preuves
Evidence consists primarily of pharmacological reviews, in vitro studies, and animal models (D), with some clinical review data (C) regarding glaucoma. There is a lack of high-level human clinical trials (A/B) in the provided text.
Sources PubMed
1.PMID: 23023353 (2012) — Forskolin: upcoming antiglaucoma molecule. · Journal of postgraduate medicine
2.PMID: 20178070 (2010) — Plectranthus barbatus: a review of phytochemistry, ethnobotanical uses and pharmacology - Part 1. · Planta medica
3.PMID: 33928347 (2021) — Progress in heterologous biosynthesis of forskolin. · Journal of industrial microbiology & biotechnology
4.PMID: 20186655 (2010) — Plectranthus barbatus: a review of phytochemistry, ethnobotanical uses and pharmacology - part 2. · Planta medica
5.PMID: 38024105 (2023) — Role of K+ and Ca2+ Channels in the Vasodilator Effects of Plectranthus barbatus (Brazilian Boldo) in Hypertensive Rats. · Cardiovascular therapeutics
Sources gouvernementales
Aucune monographie gouvernementale directe n'est disponible pour cette plante. Le contenu ci-dessous est généré par IA et n'a pas été vérifié par rapport à une source gouvernementale faisant autorité. Utilisez les liens de recherche pour consulter les sources officielles avant de vous fier à ces informations.
PMID: 31989223 (2020) — Coleus forskohlii: advancements and prospects of in vitro biotechnology. · Applied microbiology and biotechnology
7.PMID: 32893572 (2020) — [Recent advances in biosynthesis of forskolin]. · Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica
8.PMID: 36985280 (2023) — Changing Rhizosphere Microbial Community and Metabolites with Developmental Stages of Coleus barbatus. · Microorganisms
9.PMID: 31803808 (2019) — Characterization of cucumber mosaic virus infecting coleus (Plectranthus barbatus) in Karnataka. · Virusdisease
10.PMID: 25726172 (2015) — Forskolin: genotoxicity assessment in Allium cepa. · Mutation research. Genetic toxicology and environmental mutagenesis
11.PMID: 38623169 (2024) — Biotechnological interventions for the production of forskolin, an active compound from the medicinal plant, Coleus forskohlii. · Physiology and molecular biology of plants : an international journal of functional plant biology
12.PMID: 2410281 (1985) — Bronchodilator and antiallergy activity of forskolin. · European journal of pharmacology