L-Carnosine 200 mg Ingredients & Drug Interactions
by Kirkman
What is this page for?
First and foremost: checking L-Carnosine 200 mg 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-Carnosine 200 mg is a dietary supplement by Kirkman 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.
Check Your Meds Against L-Carnosine 200 mg by Kirkman
Ask about any prescription or over-the-counter medication and we check it for interactions with L-Carnosine 200 mg by Kirkman — 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-Carnosine 200 mg by Kirkman
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-Carnosine, a naturally occurring compound made from two amino acids. The capsule itself is made from plant cellulose, and the inactive ingredients are cellulose and silicon dioxide—all standard capsule materials.
Does it work?
Couldn't assess
The evidence for L-Carnosine is thin. It's rated possibly ineffective for autism spectrum disorder.
For age-related cognitive decline, Alzheimer's disease, athletic performance, cataracts, and general cognitive impairment, there isn't enough reliable evidence yet to say whether it works or doesn't.
How safe is it?
Well-documented data
L-Carnosine is generally well tolerated in short-term studies, though long-term safety data are limited. Some people have reported decreased appetite, dry mouth, small weight changes, foot and joint pain, and in rare cases, pneumonia.
The safety data advise against use during pregnancy and while breastfeeding because there isn't enough information to know it's safe in those situations.
Meds to double-check
Moderate interaction found
If you take antidiabetes drugs (medication that lowers blood sugar), flag this product with your doctor or pharmacist before starting. Carnosine may lower blood glucose on its own, which could raise the risk of low blood sugar when combined with your diabetes medication.
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 is most relevant if you're curious about autism spectrum disorder, though current evidence doesn't support it for that use. If you take antidiabetes medications, you'll want to talk with your doctor or pharmacist before starting—there's a moderate interaction risk involving blood sugar control.
For any other reason you're considering it, the evidence is still being built.
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 Aug 23, 2013.
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-Carnosine 200 mg, straight from the product label.
| Brand | Kirkman |
|---|---|
| Net contents | 90 Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Aug 23, 2013 |
| DSLD ID | 24641 |
| Product type | Non-nutrient/non-botanical |
| Supplement form | Capsule |
| Dietary claims / uses | All Other |
| Intended target group(s) | Adult (18 - 50 Years), No Allergies, Gluten Free, Dairy Free, Sugar 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-Carnosine 200 mg by Kirkman, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| L-Carnosine | 200 mg | -- |
Other ingredients: Cellulose, Plant, Silicon Dioxide, Plant Cellulose Capsule
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
HYPOALLERGENIC
Formulation
FREE OF: Sugar, starch, soy, wheat, casein, gluten, milk, corn, preservatives, yeast, gelatin, flavorings, or colorings.
CASEIN & GLUTEN FREE
Storage
IMPORTANT: STORE IN A COOL DRY PLACE AND TIGHTLY CAPPED.
Precautions
KEEP OUT OF THE REACH OF CHILDREN.
FDA Statement of Identity
Dietary Supplement
Suggested/Recommended/Usage/Directions
SUGGESTED USE: 1-4 capsules daily or as directed by a physician.
General
277/90
General Statements
Best Used By: May 2013
(503)694-1600
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Carnosine 200 mg by Kirkman 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-Carnosine 200 mg by Kirkman
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 container90 Amounts shown are per serving.
L-Carnosine
Interacts with86 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 so...
L-Carnosine monograph & interactionsOther (inactive) ingredients: Cellulose, Plant, Silicon Dioxide, Plant Cellulose Capsule. These complete the product’s ingredient list but are not active constituents.
L-Carnosine 200 mg by Kirkman Drug Interactions
HelloPharmacist Interaction Report
Kirkland's L-Carnosine 200 mg may interact with antidiabetes drugs (medications that lower blood sugar).
Preliminary research suggests carnosine might lower fasting blood glucose levels on its own, so combining it with antidiabetes drugs could raise the risk of low blood sugar (hypoglycemia)—a moderate concern.
Read the full breakdown — every affected drug type, severity by severity
Although this is the only drug type with documented interactions in our data, it's a meaningful one if you manage diabetes. Altogether, these interactions span 86 individual medications.
Before you start L-Carnosine, check your exact antidiabetes medications with the interaction tool on this page, and let your doctor or pharmacist know you're thinking about adding it. They can watch for signs of low blood sugar or adjust your diabetes drug dose if needed.
Check your own medications below · Editorial policy · How we use AI
Want to check YOUR meds against L-Carnosine 200 mg?
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-Carnosine 200 mg interact with 86 drugs. Click any drug to see the details.
1 of the 1 ingredient in L-Carnosine 200 mg interact with drugs. Each result below shows which ingredient is responsible. L-Carnosine
AcarboseGlucobay, Prandase, Precose
How Acarbose interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Acarbose interactionAcetohexamideDymelor
How Acetohexamide interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Acetohexamide interactionAlbiglutideTanzeum
How Albiglutide interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Albiglutide interactionAlogliptinNesina
How Alogliptin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Alogliptin interactionAlogliptin, MetforminKazano
How Alogliptin, Metformin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Alogliptin, Metformin interactionAlogliptin, PioglitazoneOseni
How Alogliptin, Pioglitazone interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Alogliptin, Pioglitazone interactionAntidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) InhibitorGlyxambi
How Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Antidiabetes, Dipeptidyl Peptidase-4 (dpp-iv) Inhibitor interactionCanagliflozinInvokana
How Canagliflozin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Canagliflozin interactionCanagliflozin, MetforminInvokamet
How Canagliflozin, Metformin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Canagliflozin, Metformin interactionCanagliflozin, Metformin HydrochlorideInvokamet XR
How Canagliflozin, Metformin Hydrochloride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Canagliflozin, Metformin Hydrochloride interactionChlorpropamideChlorpropam, Diabinese
How Chlorpropamide interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Chlorpropamide interactionDapagliflozinFarxiga
How Dapagliflozin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Dapagliflozin interactionDapagliflozin Propanediol, MetforminXigduo XR
How Dapagliflozin Propanediol, Metformin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Dapagliflozin Propanediol, Metformin interactionDapagliflozin Propanediol, Saxagliptin HydrochlorideQtern
How Dapagliflozin Propanediol, Saxagliptin Hydrochloride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Dapagliflozin Propanediol, Saxagliptin Hydrochloride interactionDapagliflozin, Metformin Hydrochloride, Saxagliptin HydrochlorideQternmet XR
How Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Dapagliflozin, Metformin Hydrochloride, Saxagliptin Hydrochloride interactionDasiglucagon HydrochlorideZegalogue
How Dasiglucagon Hydrochloride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Dasiglucagon Hydrochloride interactionDulaglutideTrulicity
How Dulaglutide interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Dulaglutide interactionEmpagliflozinJardiance
How Empagliflozin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Empagliflozin interactionEmpagliflozin, Linagliptin, Metformin HydrochlorideTrijardy XR
How Empagliflozin, Linagliptin, Metformin Hydrochloride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Empagliflozin, Linagliptin, Metformin Hydrochloride interactionEmpagliflozin, MetforminSynjardy
How Empagliflozin, Metformin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Empagliflozin, Metformin interactionEmpagliflozin, Metformin HydrochlorideSynjardy XR
How Empagliflozin, Metformin Hydrochloride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Empagliflozin, Metformin Hydrochloride interactionErtugliflozinSteglatro
How Ertugliflozin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Ertugliflozin interactionErtugliflozin, Metformin HydrochlorideSegluromet
How Ertugliflozin, Metformin Hydrochloride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Ertugliflozin, Metformin Hydrochloride interactionExenatideBydureon, Byetta
How Exenatide interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Exenatide interactionExenatide SyntheticBydureon BCISE
How Exenatide Synthetic interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Exenatide Synthetic interactionGliclazideDiamicron
How Gliclazide interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Gliclazide interactionGlimepirideAmaryl
How Glimepiride interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Glimepiride interactionGlipizideGlucotrol, Glucotrol XL
How Glipizide interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Glipizide interactionGlipizide, MetforminMetaglip
How Glipizide, Metformin interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Glipizide, Metformin interactionGlucagonBaqsimi, Glucagon
How Glucagon interacts with L-Carnosine 200 mg — through 1 ingredient. Tap an ingredient for the detail:
L-carnosineAntidiabetes Drugs Moderate
Interaction Summary
Theoretically, taking carnosine with antidiabetes drugs might increase the risk of hypoglycemia.
Read the full L-carnosine + Glucagon interactionEach ingredient & the kinds of drugs it affects
For each ingredient in L-Carnosine 200 mg 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-Carnosine
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.
Brand information
Manufacturer and brand details for L-Carnosine 200 mg, from the product label.
Kirkman
See all Kirkman products- Name
- Kirkman
- City
- Lake Oswego
- State
- OR
- ZipCode
- 97035
- Phone Number
- (800) 245-8282
- Web Address
- www.kirkmangroup.com
L-Carnosine 200 mg by Kirkman: Common Questions
Does L-Carnosine 200 mg by Kirkman interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take L-Carnosine if I'm pregnant or breastfeeding?
What side effects have been reported?
Does L-Carnosine actually work for autism or cognitive decline?
Why does this product interact with diabetes medications?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Carnosine 200 mg 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-Carnosine 200 mg’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
L-Carnosine 200 mg'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 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
- 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
- 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.
- 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
- 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
- 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
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