L-Ornithine HCL Ingredients & Drug Interactions
What is this page for?
First and foremost: checking L-Ornithine HCL 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-Ornithine HCL is a dietary supplement by BulkSupplements.com with 1 active ingredient. Its ingredients are commonly taken for athletic performance and recovery, reducing fatigue, sleep and stress 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-Ornithine HCL 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-ornithine hydrochloride, a form of the amino acid ornithine. There are no other active ingredients.
The product is presented as a powder with no inactive fillers listed.
Does it work?
Moderate evidence
The evidence for L-ornithine is mixed and limited. It's rated possibly effective for athletic performance, meaning some evidence supports its use but more research is needed.
For dry skin, insomnia, and periodontitis (gum inflammation), we don't have enough reliable evidence to say whether it works or not. If you're thinking about using it for one of those purposes, talk it over with your doctor or pharmacist about what the research actually supports.
How safe is it?
Some data gaps
L-ornithine is generally well tolerated in the short term, but we don't have solid long-term safety data — so if you're planning to take it for months or longer, that's worth discussing with your pharmacist. The safety data advises against using it during pregnancy or while breastfeeding because there isn't enough information to know it's safe in those situations.
If you're pregnant, planning to become pregnant, or breastfeeding, check with your doctor or pharmacist before starting.
Meds to double-check
No known interactions
No interactions are documented in our data for L-ornithine. That doesn't mean interactions can't happen; it means we hold no interaction information for this ingredient.
Check your exact medications through the tool on this page or confirm with your doctor or pharmacist before adding it to your routine.
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-ornithine is a straightforward amino acid supplement with possibly effective evidence for athletic performance. It's generally well tolerated short-term and has no documented medication interactions we could find.
Because long-term safety data is thin and pregnancy/breastfeeding safety is uncertain, talk it over with your doctor or pharmacist before you start — especially if you're taking it long-term or you're pregnant or nursing.
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 Sep 24, 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
General information
Key facts about L-Ornithine HCL, straight from the product label.
| Brand | BulkSupplements.com |
|---|---|
| Barcode (UPC) | X000HURQ1Z |
| Net contents | 500 Gram(s); 17.6 oz |
| Market status | On market |
| Date entered into DSLD | Sep 24, 2021 |
| DSLD ID | 254645 |
| 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 |
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-Ornithine HCL 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.
General Statements
Clean & pure bulk supplements
New - BulkSupplements L-Ornithine HCL Powder (500 Grams)
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 1000 mg (about 1/3 tsp) once or twice daily, or as directed by a physician.
Storage
Store in a dry, cool place
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Ornithine HCL 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-Ornithine HCL by BulkSupplements.com
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size1000 mg Dosage formPowder Servings per container500 Amounts shown are per serving.
L-Ornithine Hydrochloride
No knowninteractions
Ornithine is a non-essential amino acid your body makes naturally as part of the urea cycle, which helps remove ammonia. It is sold as a supplement fo...
L-Ornithine Hydrochloride monograph & interactionsOther (inactive) ingredients: None. These complete the product’s ingredient list but are not active constituents.
L-Ornithine HCL by BulkSupplements.com Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Ornithine HCL. 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-Ornithine HCL, 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-Ornithine HCL by BulkSupplements.com: Common Questions
Does L-Ornithine HCL by BulkSupplements.com interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Does L-ornithine actually work for athletic performance?
What side effects has it caused in studies?
Can I take this while I'm pregnant?
Is it safe to take long-term?
What is L-ornithine and what does it do in the body?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Ornithine HCL 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-Ornithine HCL’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
L-Ornithine HCL'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 1 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.
Ornithine 1 reference
- Dietary Supplements: What You Need to Know — NIH Office of Dietary Supplements Source
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