Salacia Oblonga (Salacia oblonga): Benefits, Dosage, Safety & Evidence

Questions fréquentes

How does Salacia oblonga work to lower blood sugar?

Salacia oblonga works primarily through alpha-glucosidase inhibition. Its active compounds, salacinol and kotalanol, block enzymes in the small intestine that break down carbohydrates into glucose. This slows carbohydrate absorption, reducing post-meal blood sugar spikes. Research suggests this mechanism is comparable to the pharmaceutical drug acarbose. The herb also contains mangiferin, which may provide additional antioxidant benefits. Evidence level: C.

Can I take Salacia oblonga with metformin or other diabetes medications?

Salacia oblonga may interact with diabetes medications such as metformin, insulin, sulfonylureas, and other glucose-lowering drugs. Because Salacia oblonga reduces blood sugar through alpha-glucosidase inhibition, combining it with these medications may cause hypoglycemia (dangerously low blood sugar). Close blood glucose monitoring is essential if using both together. Consult a healthcare provider before combining Salacia oblonga with any prescription diabetes treatment.

What is the recommended dosage for Salacia oblonga extract?

The typical adult dosage of Salacia oblonga extract is 200-1000mg taken with each meal. This dosing timing is important because the herb works by inhibiting carbohydrate digestion during meals. Standardized extracts are preferred over raw herb preparations. Dosage may vary based on the specific product and individual response. Start with lower doses to assess tolerance, as gastrointestinal side effects are common initially.

Is Salacia oblonga safe during pregnancy and breastfeeding?

Salacia oblonga is not considered safe during pregnancy or breastfeeding. There is insufficient safety data for use in these populations, and traditional Ayurvedic texts advise against its use in pregnancy. Women who are pregnant, trying to conceive, or breastfeeding should avoid Salacia oblonga supplements. Additionally, the herb's blood sugar-lowering effects could potentially affect fetal development. Consult a qualified healthcare provider for appropriate alternatives.

What is Salacia oblonga used for in Ayurvedic medicine?

Salacia oblonga is used in Ayurvedic and Sri Lankan folk medicine primarily for managing type 2 diabetes and supporting weight loss. It helps control post-meal blood glucose spikes and may assist with obesity management. Traditionally, it has also been used as a liver and digestive tonic. Modern interest focuses on its alpha-glucosidase inhibitory effects, making it useful for metabolic syndrome and pre-diabetes. Evidence level: C.

What are the side effects of Salacia oblonga?

Common side effects of Salacia oblonga include gastrointestinal symptoms such as bloating, flatulence, and diarrhea. These effects occur because unabsorbed carbohydrates ferment in the colon, similar to the side effects of acarbose. Some users may experience hypoglycemia, particularly when combined with other glucose-lowering agents. Side effects typically improve with continued use as the digestive system adapts. Taking the supplement with adequate water may help reduce discomfort.

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 30 articles PubMed · modèle : gemma4:31b

Résumé

Salacia oblonga is a perennial herb used in Ayurvedic medicine primarily for the management of diabetes and obesity [PMID:28082793].

Contexte

Salacia oblonga is a woody climbing plant from the Celastaceae family, widely distributed in India and other southeast Asian countries [PMID:21848492, PMID:28082793].

Usages traditionnels

It has been used for thousands of years in traditional Indian and Ayurvedic medicine to treat diabetes, obesity, rheumatism, gonorrhea, asthma, and hyperglycemia [PMID:28082793, PMID:36817178, PMID:21848492].

Composés actifs

The plant contains polyphenols, friedelane-type triterpenes, norfriedelane-type triterpenes, eudesmane-type sesquiterpenes, various glycosides, and mangiferin [PMID:28082793, PMID:19477051]. Specific potent alpha-glucosidase inhibitors such as salacinol and neosalacinol have also been identified [PMID:19307117, PMID:12738192].

Mécanisme d'action

Salacia oblonga acts as an intestinal alpha-glucosidase inhibitor [PMID:12738192]. It enhances glucose uptake in muscle and adipose cells by increasing GLUT4 content and translocation to the plasma membrane, a process mediated by mangiferin [PMID:19477051]. Additionally, it acts as a peroxisome proliferator-activated receptor-alpha (PPAR-alpha) activator [PMID:22561158, PMID:15975614] and suppresses the overexpression of sterol regulatory element-binding protein (SREBP)-1/1c mRNA and nuclear protein to reduce fatty liver [PMID:24157375].

Preuves cliniques

Preuve BType 2 Diabetes (Postprandial Glycemia)

Doses of 240 mg and 480 mg of extract significantly lowered the postprandial positive area under the glucose curve (14% and 22% respectively) and the adjusted peak glucose response (19% and 27% respectively) [PMID:17616771].

Preuve BChronic Kidney Disease (Cardiovascular Risk)

Treatment for six months reduced triglyceride levels by 23.66% in non-diabetic and 17.45% in diabetic CKD patients [PMID:25579717].

Preuve BPremetabolic Syndrome

A tea consisting of IP-PA1 and Salacia significantly decreased plasma glucose levels in diabetic model mice and was studied in humans with high plasma glucose or hyperlipidemia [PMID:22125681].

Sécurité et effets indésirables

In rat studies, a hot water extract (salacinol) led to reduced weight gain and feed intake, and increased relative testicular weight [PMID:12738192]. Aqueous root extract administered over 28 days induced dose-related hepatic hypertrophy (increased liver weight) specifically in male rats, though serum ALT and AST activities remained unaffected [PMID:18397819].

Synthèse des preuves

Evidence consists of several randomized controlled trials in humans showing efficacy in reducing postprandial glucose and triglycerides, supported by extensive animal models demonstrating nephroprotective, antidiabetic, and lipid-lowering effects.

Sources PubMed

1.PMID: 17616771 (2007) — Extract of Salacia oblonga lowers acute glycemia in patients with type 2 diabetes. · The American journal of clinical nutrition
2.PMID: 25579717 (2015) — Effects of Salacia oblonga on cardiovascular risk factors in chronic kidney disease patients: a prospective study. · Saudi journal of kidney diseases and transplantation : an official publication of the Saudi Center for Organ Transplantation, Saudi Arabia
3.PMID: 36817178 (2023) — Environmentally benign silver bio-nanomaterials as potent antioxidant, antibacterial, and antidiabetic agents: Green synthesis using Salacia oblonga root extract. · Frontiers in chemistry
4.PMID: 28082793 (2016) — An Updated Review on the Phytochemistry, Pharmacology, and Clinical Trials of Salacia oblonga. · Pharmacognosy reviews
5.PMID: 35612657 (2022)

Salacia Oblonga

Sources et citations

Calculer une dose sûre de Salacia Oblonga

Hercampuri

Aralia Elata

Withania coagulans

Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Sécurité et effets indésirables

Synthèse des preuves

Sources PubMed

Sources gouvernementales

Salacia Oblonga

Sources et citations

Calculer une dose sûre de Salacia Oblonga

Plantes associées

Hercampuri

Aralia Elata

Withania coagulans

Questions fréquentes

Résumé

Contexte

Usages traditionnels

Composés actifs

Mécanisme d'action

Preuves cliniques

Sécurité et effets indésirables

Synthèse des preuves

Sources PubMed

Sources gouvernementales