L-Lysine Powder Ingredients & Drug Interactions
by Herbadiet
What is this page for?
First and foremost: checking L-Lysine Powder 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-Lysine Powder is a dietary supplement by Herbadiet with 1 active ingredient. Its ingredients are commonly taken for cold sores (herpes labialis), genital herpes outbreaks, supporting protein and collagen formation.Based on those ingredients, 1 medication has a known interaction with it, the most serious rated minor. The ingredients most likely to interact are L-Lysine Hydrochloride. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.
Check Your Meds Against L-Lysine Powder by Herbadiet
Ask about any prescription or over-the-counter medication and we check it for interactions with L-Lysine Powder by Herbadiet — and tell you which ingredient is responsible.
AI summaries are generated from our interaction database for education only — always confirm with your pharmacist. How we use AI
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HelloPharmacist Scorecard of L-Lysine Powder by Herbadiet
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 powder contains one active ingredient: L-Lysine Hydrochloride, an amino acid your body uses for protein and immune support. There are no inactive ingredients listed for this product.
Does it work?
Couldn't assess
L-Lysine is possibly effective for cold sores (herpes labialis) when taken as a supplement. For other uses—including child growth, pressure ulcers, and diabetic foot ulcers—the evidence in our data is insufficient to rate whether it works.
How safe is it?
Well-documented data
Lysine is generally well tolerated at typical doses, but high amounts may cause stomach upset like abdominal pain, diarrhea, and indigestion. Long-term safety with high-dose supplements hasn't been well studied.
For pregnancy and breastfeeding, there isn't enough reliable information on supplement safety, so talk with your doctor first before using it if you're pregnant or nursing—lysine from food is fine, but the supplement form needs more caution.
Meds to double-check
Minor interactions only
If you take a 5-HT4 agonist medication, check with your doctor or pharmacist before adding this supplement—lysine may reduce how well that drug works.
The bottom line
Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Only minor medication interactions are documented, and safety information is well characterized.
L-Lysine may help with cold sores if you're looking for a supplement option. If you take a 5-HT4 agonist (a digestive medication), check with your doctor or pharmacist before starting this.
At typical doses it's generally well tolerated, though high amounts can cause stomach upset. Talk it over with your own healthcare provider to see if it fits your 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 Jun 22, 2023.
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-Lysine Powder, straight from the product label.
| Brand | Herbadiet |
|---|---|
| Net contents | 0 Not Present |
| Market status | On market |
| Date entered into DSLD | Jun 22, 2023 |
| DSLD ID | 293725 |
| Product type | Amino Acid/protein |
| Supplement form | Powder |
| 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-Lysine Powder by Herbadiet, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| L-Lysine Hydrochloride | 500 mg | -- |
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.
Formulation
Immune support
Free of fillers, binders, artificial ingredients, dairy, soy, wheat, gluten, yeast
Being a natural produce, there can be minor color variations because of geographical & seasonal variation of the raw material. Supplements can be hygroscopic & may agglomerate at times. This, in no way, affect the efficacy of the product.
Ethically sourced Scientifically tested Premium grade ingredients
Formula
Amino acid
FDA Statement of Identity
Dietary Supplement
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take up to 1000 mg or as directed by your physician
Precautions
Keep out of reach of children.
Pregnant or lactating women should consult your physician before use.
Storage
Store in a dry, cool & dark.
FDA Disclaimer Statement
Warning: This statement has not been evaluated by the Food and Drug administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Seals/Symbols
FSSAI (Food Safety and Standards Authority of India) Lic. No.: 20817018000147
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Lysine Powder by Herbadiet 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-Lysine Powder by Herbadiet
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size500 mg Dosage formPowder Amounts shown are per serving.
L-Lysine Hydrochloride
Interacts with1 drug
Lysine is an essential amino acid your body cannot make on its own, so it must come from food or supplements. People most often take extra lysine to t...
L-Lysine Hydrochloride monograph & interactionsL-Lysine Powder by Herbadiet Drug Interactions
HelloPharmacist Interaction Report
L-Lysine Powder by Herbadiet has documented interactions with one class of medications.
The single interaction involves 5-HT4 agonists (drugs that work on a specific serotonin receptor in the gut), where lysine may theoretically reduce their effects. Animal research suggests lysine acts as a partial blocker of this receptor, which could interfere with how these medications work to treat certain digestive issues.
Read the full breakdown — every affected drug type, severity by severity
Although this is the only drug type with documented interactions in our data, the effect is minor and based on animal studies rather than human trials. Still, if you take a 5-HT4 agonist, it's worth checking with your doctor or pharmacist before starting lysine to make sure the combination won't affect your treatment.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against L-Lysine Powder?
Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.
Go to the checkerIngredients driving the most interactions
Individual Drug Interactions
The ingredients in L-Lysine Powder interact with 1 drug. Click any drug to see the details.
1 of the 1 ingredient in L-Lysine Powder interact with drugs. Each result below shows which ingredient is responsible. L-Lysine Hydrochloride
TegaserodZelnorm
How Tegaserod interacts with L-Lysine Powder — through 1 ingredient. Tap an ingredient for the detail:
L-lysine Hydrochloride5-ht4 Agonists Minor
Interaction Summary
Theoretically, lysine may reduce the effects of 5-HT4 agonists.
Read the full L-lysine Hydrochloride + Tegaserod interactionEach ingredient & the kinds of drugs it affects
For each ingredient in L-Lysine Powder with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.
L-Lysine Hydrochloride
5-Ht4 Agonists
Theoretically, lysine may reduce the effects of 5-HT4 agonists.
Animal research suggests that L-lysine is a partial serotonin receptor 4 (5-HT4) antagonist and inhibits diarrhea induced by the 5-HT4 agonist, 5-hydroxytryptophane.
Brand information
Manufacturer and brand details for L-Lysine Powder, from the product label.
Herbadiet
See all Herbadiet products- Name
- Arkure Health Care
- Street Address
- 11, Sector - 14
- City
- Rohtak
- State
- Haryana
- ZipCode
- 124001
- Web Address
- www.herbadiet.in
L-Lysine Powder by Herbadiet: Common Questions
Does L-Lysine Powder by Herbadiet interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Will L-Lysine help my cold sores?
What are the most common side effects?
Is it safe to take while pregnant?
Can I take it while breastfeeding?
What is L-Lysine and what does it do?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Lysine Powder 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-Lysine Powder’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
L-Lysine Powder'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 7 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.
Lysine 7 references
- Thein DJ, Hurt WC. Lysine as a prophylactic agent in the treatment of recurrent herpes simplex labialis. Oral Surg Oral Med Oral Pathol 1984;58:659-66. PubMed
- McCune MA, Perry HO, Muller SA, O'Fallon WM. Treatment of recurrent herpes simplex infections with L-lysine monohydrochloride. Cutis 1984;34:366-73.
- DiGiovanna JJ, Blank H. Failure of lysine in frequently recurrent herpes simplex infection. Treatment and prophylaxis. Arch Dermatol 1984;120:48-51. DOI
- Milman N, Scheibel J, Jessen O. Lysine prophylaxis in recurrent herpes simplex labialis: a double-blind, controlled crossover study. Acta Derm Venereol 1980;60:85-7.
- Griffith RS, Walsh DE, Myrmel KH, et al. Success of L-lysine therapy in frequently recurrent herpes simplex infection. Treatment and prophylaxis. Dermatologica 1987;175:183-90. DOI
- Lo JC, Chertow GM, Rennke H, Seifter JL. Fanconi's syndrome and tubulointerstitial nephritis in association with L-lysine ingestion. Am J Kidney Dis 1996;28:614-7. PubMed
- Smriga M, Torii K. L-Lysine acts like a partial serotonin receptor 4 antagonist and inhibits serotonin-mediated intestinal pathologies and anxiety in rats. Proc Natl Acad Sci U S A. 2003 Dec 23;100(26):15370-5.
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