L-Histidine 500 mg Capsules Ingredients & Drug Interactions
What is this page for?
First and foremost: checking L-Histidine 500 mg Capsules against your medications. The heart of this page is the interaction checker and the full interaction report — how this product’s ingredients may interact with prescription and over-the-counter medicines you may be taking.
Around that, we add a pharmacist’s high-level view of the product as a whole — what’s inside, the evidence for its stated use, how transparent the label is, and what safety data exists — so you can see the full picture in one place. It’s educational information from our licensed clinical databases and the clinical staff at HelloPharmacist — not medical advice — and we don’t sell or endorse products. Our editorial policy
L-Histidine 500 mg Capsules is a dietary supplement by BulkSupplements.com with 1 active ingredient. Its ingredients are commonly taken for skin conditions like eczema, anemia related to kidney disease, allergy and inflammation support.We don’t currently list a known drug interaction for its mapped ingredients — but that doesn’t guarantee none exist, so always confirm with your pharmacist.
HelloPharmacist Scorecard of L-Histidine 500 mg Capsules by BulkSupplements.com
Our pharmacy team’s full take, with four database checks built into the cards below — a summary of what is known, not a grade of the product itself.
What’s inside
Full disclosure
This product contains one active ingredient: L-histidine, an amino acid your body uses to build and repair tissue, produce immune signaling molecules, and regulate stomach acid. You'll get 500 mg per capsule.
The capsule itself is made from bovine gelatin.
Does it work?
Moderate evidence
The evidence we hold shows L-histidine is possibly effective for cholera. For atopic dermatitis (eczema), kidney failure, and rheumatoid arthritis, the evidence is insufficient — meaning we don't have enough reliable data to say whether it works for those conditions.
If you're thinking about taking this for one of those uses, your doctor or pharmacist can help you weigh what limited evidence exists against other options.
How safe is it?
Some data gaps
L-Histidine from food sources is considered safe as part of normal diet, but safety data on supplement doses — the kind in this bottle — hasn't been well established. The caution here is real: we don't have enough reliable information on how higher doses affect you long-term.
Talk with your doctor or pharmacist before starting, especially if you have any chronic health conditions. During pregnancy and breastfeeding, L-histidine is considered likely safe, but this should be a conversation with your healthcare provider to be sure it's right for you.
Meds to double-check
No known interactions
No interactions are documented in our data for L-histidine. That said, run your specific medications through the checker below or ask your pharmacist to be sure — absence of documented interactions isn't a guarantee none exist.
The bottom line
Scorecard at a glanceFully disclosed formula with some supporting evidence behind its ingredients' uses. No medication interactions are currently documented, and some safety-information gaps remain.
This is a single-ingredient amino acid supplement with no documented drug interactions — but that's not the same as proven safe at high doses. If you're taking it for eczema, arthritis, or kidney issues, the evidence is too thin to rely on it as a main treatment.
Check with your doctor or pharmacist before you start, especially if you're pregnant, breastfeeding, or have any health conditions.
Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI
Assessment coverage: 1 of 1 active ingredient matched to our full ingredient reviews (monographs). Based on the product label dated Jul 25, 2024.
This Scorecard evaluates available label information, ingredient evidence, and known medication-safety considerations. It does not independently verify product identity, purity, potency, contamination, or manufacturing quality. How these ratings are computed
General information
Key facts about L-Histidine 500 mg Capsules, straight from the product label.
| Brand | BulkSupplements.com |
|---|---|
| Barcode (UPC) | X003L0CZCN |
| Net contents | 120 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Jul 25, 2024 |
| DSLD ID | 312916 |
| Product type | Amino Acid/protein |
| Supplement form | Capsule |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten Free, Dairy Free |
Everything in this section is reproduced from the manufacturer’s own product label — it’s the label speaking, not HelloPharmacist. We show it so you can see exactly what the maker states; we don’t verify or endorse those statements.
Supplement Facts
The label details for L-Histidine 500 mg Capsules by BulkSupplements.com, sourced from the NIH Dietary Supplement Label Database.
Tap any ingredient to jump to its full detail below.
These statements are the manufacturer’s wording, reproduced from the product label — the label is saying it, not HelloPharmacist. We don’t verify or endorse them.
Formula
L-Histidine Capsules 500 mg per serving
Suggested/Recommended/Usage/Directions
Suggested Use: As a dietary supplement, take 1 capsule once daily, or as directed by a physician.
FDA Disclaimer Statement
Warning: This product is not intended to diagnose, treat, cure, or prevent any disease.
Formulation
Always consult a physician before taking any dietary supplement.
Free of: Added sugar, soy, dairy, yeast, gluten, additives
Precautions
Keep out of reach of children.
Storage
Store in a dry, cool place
General Statements
New Scan Me
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Histidine 500 mg Capsules by BulkSupplements.com label
The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.
Label images are published by the NIH Dietary Supplement Label Database for the version of this product on file. Always read your actual product label.
View the full label (PDF)The Ingredients in L-Histidine 500 mg Capsules by BulkSupplements.com
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1 Capsule(s) Dosage formCapsule Servings per container120 Amounts shown are per serving.
L-Histidine
No knowninteractions
Histidine is an essential amino acid your body needs to build proteins and to make compounds like histamine and carnosine. Most people get enough from...
L-Histidine monograph & interactionsOther (inactive) ingredients: Bovine Gelatin. These complete the product’s ingredient list but are not active constituents.
L-Histidine 500 mg Capsules by BulkSupplements.com Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Histidine 500 mg Capsules. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.
Brand information
Manufacturer and brand details for L-Histidine 500 mg Capsules, from the product label.
BulkSupplements.com
See all BulkSupplements.com products- Name
- BulkSupplements.com
- Street Address
- 7511 Eastgate Rd
- City
- Henderson
- State
- NV
- ZipCode
- 89011
- Web Address
- BulkSupplements.com
L-Histidine 500 mg Capsules by BulkSupplements.com: Common Questions
Does L-Histidine 500 mg Capsules by BulkSupplements.com interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this while I'm pregnant or breastfeeding?
Does L-histidine actually help with eczema?
Is this supplement safe to take long-term?
What is L-histidine used for in the body?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Histidine 500 mg Capsules is safe with your meds?
Our pharmacists answer your medication & supplement questions — free.
Label information is sourced from the NIH Dietary Supplement Label Database and reflects the product version on file; always read your actual product label. This page is for education only and is not a substitute for professional medical advice. Confirm with your pharmacist or doctor before combining supplements and medications.
The Full Monographs Behind L-Histidine 500 mg Capsules’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
L-Histidine 500 mg Capsules's label data comes from the NIH Dietary Supplement Label Database; the ingredient interaction data is from the Natural Medicines database, reviewed by our pharmacists.
- NIH Dietary Supplement Label Database (DSLD) — The official product label on file for this supplement.
- Natural Medicines (Therapeutic Research Center) — Evidence-graded clinical reference behind the ingredient interaction data.
Content is written and reviewed by licensed HelloPharmacist pharmacists. See our data sources and editorial standards for how this information is built and checked.
The 3 references behind this product’s interaction data
Every citation that drives the interaction findings for this product’s ingredients, from the evidence-graded Natural Medicines (TRC Healthcare) database. Open an ingredient to browse its citations — links open the study on PubMed or the publisher’s site.
Parts of this content are provided by the Therapeutic Research Center, LLC.
DISCLAIMER: Currently this does not check for drug-drug interactions. This is not an all-inclusive comprehensive list of potential interactions and is for informational purposes only. Not all interactions are known or well-reported in the scientific literature, and new interactions are continually being reported. Input is needed from a qualified healthcare provider including a pharmacist before starting any therapy. Application of clinical judgment is necessary.
© 2021 Therapeutic Research Center, LLC