Interactions on record — worth a quick check against your medications. Check your meds →
Dietary supplement

L-Carnosine Ingredients & Drug Interactions

by Hard Rhino

L-Carnosine label
See full label image
Powder Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking L-Carnosine 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

The interaction bottom line Most serious interaction: Moderate

L-Carnosine is a dietary supplement by Hard Rhino with 1 active ingredient. Its ingredients are commonly taken for anti-aging and general wellness, exercise performance and muscle support, brain and cognitive health.Based on those ingredients, 86 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are L-Carnosine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against L-Carnosine by Hard Rhino

Ask about any prescription or over-the-counter medication and we check it for interactions with L-Carnosine by Hard Rhino — and tell you which ingredient is responsible.

Pharmacist-reviewed data Checks every ingredient Answer in seconds
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HelloPharmacist Scorecard of L-Carnosine by Hard Rhino

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Aug 13, 2026

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-Carnosine, a compound your body naturally produces that's found in muscle tissue. The powder form contains no other active ingredients.

Does it work?

Couldn't assess
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
Not assessable

This is a single-ingredient Carnosine product and its label doesn't state a use — see Carnosine's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence for L-Carnosine is mixed and limited. It's rated possibly ineffective for autism spectrum disorder.

For age-related cognitive decline, Alzheimer disease, athletic performance, cataracts, and cognitive impairment, the data we hold is insufficient to say whether it works or not. You're not working with strong evidence here, so set expectations accordingly.

The evidence, ingredient by ingredient Carnosine

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 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-Carnosine is generally well tolerated in the short term, but we don't have much long-term safety data yet. Some trial participants reported decreased appetite, dry mouth, small weight changes, foot and joint pain, and in rare cases, pneumonia—though these are uncommon.

The safety data advises against use during pregnancy and while breastfeeding because there isn't enough information to know it's safe.

Side effects, ingredient by ingredient Carnosine

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Carnosine.
  • The most serious interaction on file is rated Moderate.
  • Some involve high-stakes drug classes: diabetes medications.
  • For scale: 86 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Check your antidiabetes medications before starting L-Carnosine—there's a Moderate risk of low blood sugar (hypoglycemia) if you combine them. Talk it through with your doctor or pharmacist.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

L-Carnosine might be worth considering if you're interested in cognitive health or athletic performance, but the evidence for those uses is thin or nonexistent. If you take diabetes medication, you'll want to check your specific drugs first and confirm the combination with your doctor or pharmacist.

Pregnant women and those breastfeeding should not use this product.

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 Apr 25, 2017.

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-Carnosine, straight from the product label.

Brand Hard Rhino
Barcode (UPC) 818132984804
Net contents 30 Gram(s); 1.05 Oz(s)
Market status On market
Date entered into DSLD Apr 25, 2017
DSLD ID 72440
Product type Non-nutrient/non-botanical
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-Carnosine by Hard Rhino, 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:
0.5 Gram(s)
Maximum serving Sizes:
0.5 Gram(s)
Servings per container
60
UPC/BARCODE
818132984804
IngredientAmount% DV
L-Carnosine500 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.
Precautions

Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Always consult with a qualified health physician before taking any new dietary supplement.

Do not use or consume if pressure seal is broken.

Warning: Keep out of the reach of children. Do not take this or any other supplement if under the age of 18, pregnant or nursing a baby, or if you have any known or suspected medical conditions and/or taking prescription drug(s) or OTC medication(s).

Formulation

Allergens: This product contains no soy, dairy, dairy byproducts, eggs, shellfish, wheat, gluten, tree nuts, or sesame seeds.

Storage

Storage: Store in a cool, dry place. Re-seal zipper immediately after use to preserve freshness.

Suggested/Recommended/Usage/Directions

Suggested Use: As a dietary supplement, take 500 mg with 6-8 ounces of water or suitable beverage. Taken 1-2 times daily or as directed by a qualified health professional.

FDA Disclaimer Statement

These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any diseases.

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

L-Carnosine by Hard Rhino label

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

L-Carnosine label

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)
What’s inside

The Ingredients in L-Carnosine by Hard Rhino

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

Serving size0.5 Gram(s) Dosage formPowder Servings per container60 Amounts shown are per serving.

L-Carnosine

Interacts with
86 drugs
500 mg per serving

Carnosine is a naturally occurring dipeptide (made of beta-alanine and histidine) that acts as an antioxidant and buffer in muscle and brain. It is so...

L-Carnosine monograph & interactions

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

Interaction report

L-Carnosine by Hard Rhino Drug Interactions

Want to check YOUR meds against L-Carnosine?

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 checker
86Drugs
86 Moderate

Ingredients driving the most interactions

L-Carnosine 86

Individual Drug Interactions

The ingredients in L-Carnosine interact with 86 drugs. Click any drug to see the details.

1 of the 1 ingredient in L-Carnosine interact with drugs. Each result below shows which ingredient is responsible. L-Carnosine

Each ingredient & the kinds of drugs it affects

For each ingredient in L-Carnosine 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-Carnosine1 drug type · 86 drugs

Antidiabetes Drugs

Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Some, but not all, preliminary clinical research shows that carnosine might reduce fasting blood glucose levels.

Likelihood Possible Evidence D
L-Carnosine full monograph & interactions
The maker

Brand information

Manufacturer and brand details for L-Carnosine, from the product label.

Hard Rhino

See all Hard Rhino products
Name
Guardian Wholesale
City
Phoenix
State
AZ
ZipCode
85085
Phone Number
(866) 961-8378
Pharmacist Counseling Corner

L-Carnosine by Hard Rhino: Common Questions

Does L-Carnosine by Hard Rhino interact with any medications?
Yes. Based on its ingredients, L-Carnosine has a known interaction with 86 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
L-Carnosine 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.
Can I take L-Carnosine if I'm pregnant or breastfeeding?
No. There isn't enough safety information to know whether carnosine is safe during pregnancy or while breastfeeding, so the data advises against it. If you're planning pregnancy or nursing, talk with your doctor or pharmacist about whether this product is right for you.
What side effects should I watch for?
Most people tolerate it well, but some trial participants experienced decreased appetite, dry mouth, weight changes, foot and joint pain, or in rare cases pneumonia. If you notice any of these, let your pharmacist or doctor know.
Does L-Carnosine actually help with memory or brain fog?
The evidence isn't strong enough to say. For age-related cognitive decline and Alzheimer disease, we don't have reliable data showing it works. For autism spectrum disorder, the evidence suggests it may not help. Don't expect dramatic results.
Is this the same as the carnosine found in meat?
L-Carnosine is a naturally occurring compound found in muscle tissue, including meat. This product is a concentrated supplement form of that same molecule.
How long does it take to work?
The facts we hold don't specify how quickly you might notice any effect. Talk with your pharmacist about realistic timelines based on what you're hoping to achieve.

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

Not sure if L-Carnosine 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-Carnosine label
Go deeper

The Full Monographs Behind L-Carnosine’s Ingredients

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

Herb & supplement monograph

Carnosine

Interacts with 86 drugs

Carnosine is a naturally occurring dipeptide (made of beta-alanine and histidine) that acts as an antioxidant and buffer in muscle and brain. It is sold as an anti-aging and performance supp...

Read the full Carnosine monograph →
Sources

Sources & How We Checked

L-Carnosine'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 5 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.

Carnosine 5 references
  1. Chengappa KN, Turkin SR, DeSanti S, et al. A preliminary, randomized, double-blind, placebo-controlled trial of L-carnosine to improve cognition in schizophrenia. Schizophr Res 2012;142(1-3):145-52. PubMed
  2. Karkabounas S, Papadopoulos N, Anastasiadou C, et al. Effects of a-lipoic Acid, carnosine, and thiamine supplementation in obese patients with type 2 diabetes mellitus: A randomized, double-blind study. J Med Food. 2018;21(12):1197-1203.
  3. Peng W, Mao P, Liu L, et al. Effect of carnosine supplementation on lipid profile, fasting blood glucose, HbA1C and insulin resistance: a systematic review and meta-analysis of long-term randomized controlled trials. Complement Ther Med 2020;48:102241. PubMed
  4. Siriwattanasit N, Satirapoj B, Supasyndh O. Effect of oral carnosine supplementation on urinary TGF-ß in diabetic nephropathy: a randomized controlled trial. BMC Nephrol 2021;22(1):236. PubMed
  5. Sureshkumar K, Durairaj M, Srinivasan K, et al. Effect of L-Carnosine in Patients with Age-Related Diseases: A Systematic Review and Meta-Analysis. Front Biosci (Landmark Ed) 2023;28(1):18. PubMed

See these in context on the Carnosine 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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