Javanese turmeric: Digestive Relief and Bile Support, Best Forms to Take, Dosage Ranges, and Risks
Javanese turmeric—Curcuma xanthorrhiza Roxb., also called Java turmeric or temulawak—belongs to the ginger family but is a distinct species from the familiar kitchen spice...
Jelly ear mushroom: Active Polysaccharides, Real-World Benefits, Practical Dosing, and Side Effects
Jelly ear mushroom—most commonly referring to species in the genus Auricularia such as A. auricula-judae and the widely cultivated A. heimuer—is a firm, springy,...
Jellyfish collagen: How It Compares to Fish and Bovine Collagen, How to Take It, Dosage, and Interactions
Jellyfish collagen is a marine-derived protein obtained from species such as Rhopilema esculentum and Rhizostoma pulmo. Interest in this ingredient has grown because it...
Jerusalem artichoke benefits, prebiotic fiber, how to use, dosage, and safety explained
Jerusalem artichoke (Helianthus tuberosus), also called sunchoke, is a knobbly, nutty-tasting tuber in the sunflower family. Unlike potatoes, its carbohydrates are stored mostly as...
Jerusalem sage benefits, properties, how to use it, dosage, and safety explained
Jerusalem sage (Phlomis fruticosa) is a Mediterranean shrub in the mint family that people mostly know from gardens—silver-green leaves, sunny yellow flowers, and a...
Jerusalem thyme polyphenols and essential oils: health benefits, preparation, dosage, and precautions
Jerusalem thyme—most often referring to Micromeria fruticosa (also known as white micromeria or “Israeli thyme”)—is an aromatic, mint-family shrub used across the Levant as...
Jesuit’s bark for malaria and more: science-backed benefits, dosage ranges, interactions, and risks
Jesuit’s bark—better known as cinchona bark—changed medicine. Harvested from Andean trees and carried to Europe by Jesuit missionaries in the 17th century, the powdered...
Jintropin for growth hormone deficiency: benefits, proper use, titration, and who should avoid
Jintropin is a brand of recombinant human growth hormone (rhGH, generic name: somatropin) manufactured in China and used to treat medically confirmed growth hormone...
Jojoba oil: Skin Benefits, How to Use, Dosage Guidelines, and Safety
Jojoba oil isn’t actually an oil—it’s a liquid wax pressed from the seeds of Simmondsia chinensis. That small detail explains a lot about how...
Jojoba seed extract: Calming Properties, Lightweight Hydration, Application Steps, and Side Effects
Jojoba seed extract is a versatile skincare ingredient made by extracting the bioactive fractions from the seeds of Simmondsia chinensis. Unlike jojoba oil (a...
Juglans nigra hull extract: Composition, Benefits for Body and Scalp Care, Dosage Ranges, and Warnings
Juglans nigra hull extract—commonly called black walnut hull extract—comes from the green outer husk that surrounds the nut of the black walnut tree. This...
Juglans nigra leaf extract: Complete Guide to Benefits and Uses, Short-Contact vs Leave-On Dosing, and Who Should Avoid
Juglans nigra leaf extract—derived from the leaves of the American black walnut tree—has long appeared in traditional remedies for skin cleansing, scalp comfort, and...
Juglans regia tincture: Benefits, Evidence, How to Use, Dosage Guidelines, and Risks
Juglans regia—better known as English walnut—has been used across Europe and Asia for centuries, not only as a food but as a source of...
Jujube fruit extract: Sleep and Calm Support, Antioxidant Properties, Dosage Guidelines, and Side Effects
Jujube (Ziziphus jujuba), often called red date or Chinese date, has been eaten and used in traditional medicine for more than two millennia. Modern...
Juniper berry: Digestive and Urinary Support, Uses, Recommended Dosage, and Side Effects
Juniper berry (Juniperus communis L., galbulus) is the aromatic, blue-black cone of the common juniper—a conifer native to Europe, Asia, and North America. Long...
Jute leaf: Antioxidants, Blood Sugar Support, Cooking Tips, Dosage, and Risks
Jute leaf (Corchorus olitorius)—also known as molokhia, Jew’s mallow, or bush okra—is a traditional leafy vegetable prized across North Africa, the Middle East, and...