No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

L-Histidine Base Ingredients & Drug Interactions

by BulkSupplements.com

Powder Category: Amino Acid/protein
No known interaction
The interaction bottom line No known interaction

L-Histidine Base 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 Base 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.

From our pharmacy team — supplement deep dive

What’s inside

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

This product contains one active ingredient: L-histidine, an amino acid. L-histidine plays a role in several body functions and is found naturally in protein-rich foods.

The product is a powder with no other active ingredients listed.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed

This product doesn't appear to be marketed for a specific use, so we graded Histidine's overall clinical evidence instead.

Moderate

Some clinical evidence supports Histidine for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredient's overall clinical evidence instead.
  • On file: Cholera — rated "Possibly Effective" (Natural Medicines).

The evidence for L-histidine varies by condition. It's rated possibly effective for cholera.

For atopic dermatitis (eczema), rheumatoid arthritis (RA), and kidney failure, there isn't enough reliable evidence yet to know whether it works — the research just isn't there to say either way.

The evidence, ingredient by ingredient Histidine

How safe is it?

Some data gaps
Safety Information · database check
Some gaps

Safety data exists for these ingredients, but with some important gaps.

Why this rating?
  • We hold adverse-effect (side-effect) data for 0 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

L-histidine is likely safe at the amounts you'd get from food. The concern is that supplement doses haven't been well studied, so the safety profile at higher doses isn't firmly established.

Talk with your doctor or pharmacist before starting supplemental doses, especially if you have any ongoing health conditions. The supplement is likely safe in pregnancy and lactation, though you should still discuss it with your healthcare provider before use.

Side effects, ingredient by ingredient Histidine

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for L-histidine. Still, discuss this supplement with your doctor or pharmacist before taking it alongside any medications, especially if you have kidney disease or take medications that affect amino acid metabolism.

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.

L-Histidine Base is a single-ingredient amino acid supplement with no documented drug interactions. It's possibly effective for cholera, but evidence is insufficient for several other uses.

Because high-dose safety data is limited, check with your doctor or pharmacist before starting — they can tell you whether it's right for your specific situation.

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 Oct 22, 2021.

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

At a glance

General information

Key facts about L-Histidine Base, straight from the product label.

Brand BulkSupplements.com
Barcode (UPC) X000QJUEB1
Net contents 500 Gram(s); 17.6 Ounce(s)
Market status On market
Date entered into DSLD Oct 22, 2021
DSLD ID 254484
Product type Amino Acid/protein
Supplement form Powder
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free
From the label
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 Base by BulkSupplements.com, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
500 mg
Maximum serving Sizes:
500 mg
Servings per container
1000
UPC/BARCODE
X000QJUEB1
IngredientAmount% DV
L-Histidine500 mg--

Other ingredients: None

Tap any ingredient to jump to its full detail below.

Label statements
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.
General Statements

Clean & pure bulk supplements

FDA Disclaimer Statement

Warning: This product is not intended to diagnose, treat, cure, or prevent any disease.

Precautions

Always consult a physician before taking any dietary supplement.

Keep out of reach of children.

Formulation

Free of: Added sugar, soy, dairy, yeast, gluten, additives

Suggested/Recommended/Usage/Directions

Suggested use: As a dietary supplement, take 500 mg (about 1/5 tsp) once daily, or as directed by a physician.

Storage

Store in a dry, cool place

See for yourself

L-Histidine Base by BulkSupplements.com label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in L-Histidine Base by BulkSupplements.com

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size500 mg Dosage formPowder Servings per container1000 Amounts shown are per serving.

L-Histidine

No known
interactions
500 mg per serving

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 & interactions

Other (inactive) ingredients: None. These complete the product’s ingredient list but are not active constituents.

Interaction report

L-Histidine Base by BulkSupplements.com Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in L-Histidine Base. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for L-Histidine Base, 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
Pharmacist Counseling Corner

L-Histidine Base by BulkSupplements.com: Common Questions

Does L-Histidine Base by BulkSupplements.com interact with any medications?
We do not currently list a known interaction for the mapped ingredients in L-Histidine Base. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
L-Histidine Base contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
Is L-histidine safe to take while pregnant or breastfeeding?
L-histidine is rated likely safe during pregnancy and lactation. However, supplement doses haven't been well studied, so talk with your doctor or pharmacist before taking it — they know your individual situation best.
Does L-histidine actually work for eczema or arthritis?
There isn't enough reliable evidence yet to say whether it helps with atopic dermatitis (eczema) or rheumatoid arthritis. The research just hasn't been done to support those uses.
What is L-histidine used for in the body?
L-histidine is an amino acid — a building block your body uses to make proteins and other important compounds. It's naturally found in protein-rich foods and plays several roles in normal body function.
Why does the product say to avoid it unless my doctor advises taking it?
Because supplement doses of L-histidine haven't been well studied for safety, we don't have solid data on what happens at higher amounts. Food amounts are fine, but if you're taking this as a supplement, your doctor or pharmacist should weigh in first.
Will this interact with my blood pressure or diabetes medication?
No interactions are documented in our data for L-histidine with those or other drugs. That said, no interactions documented doesn't mean none could exist — run your exact medications through the checker on this page, and ask your doctor or pharmacist if you have concerns.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if L-Histidine Base is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

L-Histidine Base label
Go deeper

The Full Monographs Behind L-Histidine Base’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

L-Histidine Base'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.

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.

Histidine 3 references
  1. Histidine — MedlinePlus (U.S. National Library of Medicine) Source
  2. Amino Acids — MedlinePlus (U.S. National Library of Medicine) Source
  3. Dietary Supplements: What You Need to Know — NIH Office of Dietary Supplements Source

See these in context on the Histidine monograph →

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

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