Lithium gluconate: Skin benefits, mechanism of action, recommended dosage, and precautions
Lithium gluconate is a topical dermatology ingredient best known for calming the redness, flaking, and itching of facial seborrheic dermatitis (SD). Unlike prescription oral...
Lithium orotate: Low-Dose Uses for Stress and Sleep, Evidence Summary, Dosage, and Risks
Lithium orotate is a non-prescription lithium salt promoted in micro-doses for mood steadiness, stress resilience, and cognitive support. Unlike prescription lithium carbonate used for...
Lithium: Mechanisms, Proven Psychiatric Uses, Low-Dose Insights, Dosing Ranges, and Risks
Lithium is a naturally occurring mineral and a long-standing prescription therapy for bipolar disorder. At clinical doses, it stabilizes mood and can prevent manic...
L-Leucine: Science of mTOR Activation, Per-Meal Thresholds, Practical Dosage, and Risks
L-Leucine is the lead “trigger” amino acid for muscle protein synthesis. As one of the three branched-chain amino acids (with isoleucine and valine), leucine...
L-Malic Acid: Cellular Energy Benefits, Best Uses, Optimal Dosage, and Safety
L-malic acid is a naturally occurring organic acid your cells use all day long to make energy. As a core intermediate in the tricarboxylic...
L-Methionine: Methylation, Glutathione Support, Practical Dosages, and Side Effects
L-methionine is an essential sulfur-containing amino acid—your body cannot make it, so you must get it from food or supplements. More than a building...
Lodhra: Astringent and Cooling Herb for Skin and Women’s Health, Benefits, and Dosage
Lodhra (Symplocos racemosa) is a small evergreen tree native to the Indian subcontinent. In Ayurveda, its bark has long been used for women’s health,...
Logwood: Astringent Properties, How to Use It, Recommended Dosage, and Side Effects
Logwood (Haematoxylum campechianum) is a tropical tree best known for the deep blue-purple dyes made from its heartwood. Beyond textiles, its signature molecule—hematoxylin—became a...
Lomatium: Respiratory Support, Antiviral Properties, How to Use, and Side Effects
Lomatium (often Lomatium dissectum), also called fernleaf biscuitroot or desert parsley, is a hardy Apiaceae plant native to western North America. For generations, Indigenous...
Longan fruit extract: Uses, benefits, dose ranges, and interactions explained
Longan (Dimocarpus longan) is a sweet, grape-like fruit from Southeast Asia whose flesh—called the arillus—has a long history in traditional formulas. Modern extracts concentrate...
Lonicera japonica extract: Evidence-Based Benefits for Respiratory Health and Immunity, Dosage, and Safety
Lonicera japonica—often called Japanese honeysuckle or Jinyinhua—has been brewed as a cooling tea and used in East Asian herbal practice for more than a...
Loquat leaf extract: Evidence-Based Benefits for Respiratory Health and Immunity, Dosage, and Safety
Loquat leaf (Eriobotrya japonica, also known in Chinese as Pi Pa Ye) has a long history in East Asian traditional practice for soothing “lung...
Loranthus parasiticus extract: Anti-Inflammatory Actions, Antioxidant Support, Uses, and Side Effects
Loranthus parasiticus—often listed in English as a parasitic “mistletoe” and known in parts of East and Southeast Asia as Sang Ji Sheng—has been brewed...
Lorenzo’s Oil: Evidence for Asymptomatic ALD Prevention, Dosage, Monitoring, and Risks
Lorenzo’s Oil is a specialized dietary therapy created for X-linked adrenoleukodystrophy (X-ALD), a rare genetic disorder that causes very-long-chain fatty acids (VLCFAs) to accumulate...
L-Ornithine: Ammonia Control, Stress and Sleep Support, Uses, Dosage, and Side Effects
L-ornithine is a non-protein amino acid your body makes as part of the urea cycle—the metabolic pathway that turns ammonia, a toxic by-product of...
Lotus leaf extract: Benefits for Weight and Cholesterol, Practical Use, and Side Effects
Lotus leaf extract (from Nelumbo nucifera leaves) has a long culinary and herbal history across Asia and is increasingly used in modern wellness formulas...