--- title: "13 Herbs for Metabolism, Weight & Blood Sugar: Evidence" description: "Herbs linked to blood sugar and weight management. If you take diabetes medication, talk to your doctor, as they may affect your blood sugar." language: en url: https://herbadex.com/en/for/metabolism/ source: Herbadex (https://herbadex.com) --- Explore by need # Metabolism, Weight & Blood Sugar Herbs linked to blood sugar and weight management. If you take diabetes medication, talk to your doctor, as they may affect your blood sugar. 13 herbs · 8 with clinical evidence (A/B) · 10 not marked avoid in pregnancy Search herbs Forms of useSort Hide herbs to avoid in pregnancyHide external-use-only herbsStrong / limited evidence only (A/B) These filters do not guarantee safety. Results may include herbs with unknown safety. **13** herbs found ### [Red Pepper Flakes](https://herbadex.com/en/herb/red-pepper-flakes/) A Strong clinical evidence Capsicum annuum Made by drying and crushing red chillies. Its capsaicin is used in effective nerve-pain creams; its effect in food is small. [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Joints, Bones & Pain](https://herbadex.com/en/for/joints-pain/) [Spice](https://herbadex.com/en/form/spice/) ### [Bitter Melon in Olive Oil](https://herbadex.com/en/herb/bitter-melon-in-olive-oil/) B Limited clinical evidence Momordica charantia A folk remedy of bitter melon steeped in olive oil. Small studies saw a modest fall in blood sugar; it has not been shown to heal ulcers. [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Digestion](https://herbadex.com/en/for/digestion/) [Syrup & Paste](https://herbadex.com/en/form/syrup-paste/) ### [Black Seed](https://herbadex.com/en/herb/black-seed/) B Limited clinical evidence Nigella sativa A spice seed for which small studies saw modest falls in blood sugar, cholesterol and blood pressure. Kitchen amounts are safe. [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Heart & Circulation](https://herbadex.com/en/for/heart-circulation/) +1 [Seed](https://herbadex.com/en/form/seed/) ### [Black Seed Oil](https://herbadex.com/en/herb/black-seed-oil/) B Limited clinical evidence Nigella sativa Oil pressed from black seed. Small studies saw modest falls in blood sugar and cholesterol and limited benefit in asthma. [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Skin & Hair](https://herbadex.com/en/for/skin-hair/) +1 [Carrier Oil](https://herbadex.com/en/form/carrier-oil/) ### [Cumin](https://herbadex.com/en/herb/cumin/) B Limited clinical evidence Cuminum cyminum An essential spice for meatballs and pulses. Small clinical studies saw mild benefit for bloating, IBS symptoms and weight control. [Digestion](https://herbadex.com/en/for/digestion/) [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Seed](https://herbadex.com/en/form/seed/) ### [Hibiscus](https://herbadex.com/en/herb/hibiscus/) B Limited clinical evidence Hibiscus sabdariffa A sour, red tea. Meta-analyses of small clinical trials found it slightly lowered blood pressure in mildly high blood pressure. [Heart & Circulation](https://herbadex.com/en/for/heart-circulation/) [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) ### [Spirulina Powder](https://herbadex.com/en/herb/spirulina-powder/) B Limited clinical evidence Arthrospira platensis A protein-rich blue-green alga. Meta-analyses of small studies found modest falls in LDL cholesterol and triglycerides; choose tested products. [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [General Nutrition](https://herbadex.com/en/for/general-nutrition/) [Clay, Soap & Other](https://herbadex.com/en/form/other/) ### [Sumac](https://herbadex.com/en/herb/sumac/) B Limited clinical evidence Rhus coriaria A sour, red spice. Small clinical studies reported modest improvements in blood sugar and cholesterol in type 2 diabetes. [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Digestion](https://herbadex.com/en/for/digestion/) [Spice](https://herbadex.com/en/form/spice/) ### [Bay Leaf](https://herbadex.com/en/herb/bay-leaf/) T Traditional use Laurus nobilis A Mediterranean herb that flavours food. Traditionally used for indigestion and wind; effects on blood sugar come only from small early studies. [Digestion](https://herbadex.com/en/for/digestion/) [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Dried Herb & Tea](https://herbadex.com/en/form/dried-herb-tea/) ### [Cajun Seasoning](https://herbadex.com/en/herb/cajun-seasoning/) T Traditional use Capsicum annuum, Piper nigrum, Allium sativum A Louisiana-style blend of cayenne, black pepper, garlic, onion and thyme. It flavours food; any health effect comes from its spices. [Digestion](https://herbadex.com/en/for/digestion/) [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Spice](https://herbadex.com/en/form/spice/) ### [Coriander](https://herbadex.com/en/herb/coriander/) T Traditional use Coriandrum sativum A spice used both as seed and leaf. The seed is traditionally used for indigestion, wind and bloating; blood sugar effects are seen only in animals. [Digestion](https://herbadex.com/en/for/digestion/) [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Seed](https://herbadex.com/en/form/seed/) ### [Isot Pepper](https://herbadex.com/en/herb/isot-pepper/) T Traditional use Capsicum annuum A hot pepper from Urfa, darkened by alternately sun-drying and "sweating" it. Contains capsaicin; its effects on metabolism and appetite are small. [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Digestion](https://herbadex.com/en/for/digestion/) [Spice](https://herbadex.com/en/form/spice/) ### [Okra Seed](https://herbadex.com/en/herb/okra-seed/) C Laboratory / animal evidence Abelmoschus esculentus A nourishing seed with fibre, protein and mucilage. There is no scientific evidence for its popular use for knee pain or joint fluid. [General Nutrition](https://herbadex.com/en/for/general-nutrition/) [Metabolism, Weight & Blood Sugar](https://herbadex.com/en/for/metabolism/) [Seed](https://herbadex.com/en/form/seed/) This page is for information only and is not medical advice. If you take medication, are pregnant, or have a health condition, talk to your doctor or pharmacist before use.