L-Histidine, 600 mg, 60 Veg Capsules

L-Histidine is an essential amino acid that is best known for its role in the production of histamine, an important mediator of immune system responses. Histidine is also critical for normal brain function, as well as for the maintenance of a healthy skin barrier. In addition, histidine plays important roles in muscle function, cardiovascular health, protection against free radicals, and the elimination of heavy metals from the body.

Study showed that one needed 4 g of L-histadine to help with eczema. I took one capsule (600 g) daily for a few days then started increasing it and I now take 2.4 g (4 capsules) daily, and it's helped manage my flares.

I took this after reading reviews for eczema. I didn't notice a difference and think it may have even contributed to flare. Wish it worked for me like others. I know mine is attributed to food and contact allergies developed from working in a shop with water damage/mould.

Thank you for providing such outstanding supplements! The quality is exceptional, with thoughtfully selected ingredients that offer remarkable health benefits. Your products have made a significant positive impact on my overall well-being. I also appreciate the secure and reliable packaging. Thanks again, iHerb!

Hello. Your products are great. Thank you for the timely delivery. You are amazing

Simple and to the point amino. Supportive to my overall health. Easy to take no bad after taste.

I am hoping this ingredient will help me produce something my skin matrix is missing. I will increase the dosage and update review with photos.

I use it as a natural anti-histamine for me enzema skin. It helps when I'm taking it, but effect diminishes after I stop.

If I were to give it a rating (on a scale of 1 to 5, where 5 is excellent) I’d give this about 3.8 out of 5. Here’s why: For someone who has a specific need (e.g., dietary restrictions, possibly low protein intake, maybe skin/immune concerns, or advised by a practitioner to use histidine) this product makes good sense — reputable brand, clear formulation, manageable dose. For the “average healthy person” already eating a balanced diet, the marginal benefit may be limited — so while it’s not bad, it may not be transformative. The risk appears relatively low (for most healthy individuals) but the expectation should be modest — this is more a “supportive” supplement rather than a “major game-changer”.

Amazing supplement, reliable brand, high quality ingredients, package with 60 caps. It's and essencial aminoacid, it helps with my Immunity, muscles and hair. My Doctor prescribed to me everyday.