L-Alanine Ingredients & Drug Interactions
by Source Naturals
What is this page for?
First and foremost: checking L-Alanine 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-Alanine is a dietary supplement by Source Naturals with 1 active ingredient. Its ingredients are commonly taken for sports and exercise support, blood sugar balance, general amino acid supplementation.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-Alanine by Source Naturals
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-alanine, an amino acid. There are no inactive ingredients listed for this powder.
Does it work?
Not established
The evidence for L-alanine is insufficient — we don't have reliable data showing it works for benign prostatic hyperplasia (BPH), cognitive function, diabetes, fatigue, or diarrhea-related dehydration. That doesn't mean it doesn't work; it means the studies either aren't there yet or aren't strong enough to rate it.
How safe is it?
Some data gaps
L-alanine is likely safe at the amounts you'd get from food. At supplement doses, though, the safety data is sparse.
The facts advise caution with supplements and recommend checking with your doctor before taking supplement amounts — it's not that we know it's risky, but we don't have enough evidence to say it's not. Pregnancy and lactation safety is rated as likely safe, but talk with your OB or midwife for personalized advice.
Meds to double-check
No known interactions
No interactions are documented in our data for the ingredients we could check.
The bottom line
Scorecard at a glanceFully disclosed formula with no established evidence rating for its marketed use. No medication interactions are currently documented, and some safety-information gaps remain.
This is a single amino acid with no documented drug interactions — a big plus if you're on medications. The catch is that supplement-dose safety and effectiveness haven't been well studied.
If you're curious about it, run your medications through the checker below, and have a conversation with your doctor or pharmacist about whether it makes sense for 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 23, 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
General information
Key facts about L-Alanine, straight from the product label.
| Brand | Source Naturals |
|---|---|
| Barcode (UPC) | 021078001485 |
| Net contents | 3.53 Oz(s); 100 Gram(s) |
| Market status | On market |
| Date entered into DSLD | Jun 23, 2017 |
| DSLD ID | 75385 |
| Product type | Amino Acid/protein |
| Supplement form | Powder |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Vegetarian, Adult (18 - 50 Years), 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-Alanine by Source Naturals, 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.
FDA Statement of Identity
Amino Acid Supplement
General Statements
Free-form powder
Energy support
L-Alanine is a crystalline, free-form amino acid. The liver can convert L-alanine into glucose as needed for muscle fuel; when glycogen stores are low, it can convert the glucose into glycogen. Glycogen is a storage form of glucose.
Suggested/Recommended/Usage/Directions
Suggested Use: 1/4 to 1/2 teaspoon daily between meals.
Precautions
Note: If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Formulation
Suitable for Vegetarians and Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat.
Suitable for Vegetarians and Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat.
Suitable for Vegetarians and Hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
FDA Disclaimer Statement
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.
General
SN0148 REV K101
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Alanine by Source Naturals 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-Alanine by Source Naturals
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size0.5 Teaspoon(s) Dosage formPowder Servings per container43 Amounts shown are per serving.
L-Alanine
No knowninteractions
Alpha-alanine (usually called alanine) is a non-essential amino acid your body can make on its own and that you also get from protein foods. Most peop...
L-Alanine monograph & interactionsL-Alanine by Source Naturals Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Alanine. 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-Alanine, from the product label.
Source Naturals
- Name
- Source Naturals, Inc.
- Street Address
- P. O. Box 2118
- City
- Santa Cruz
- State
- CA
- ZipCode
- 95062
- Web Address
- www.sourcenaturals.com
L-Alanine by Source Naturals: Common Questions
Does L-Alanine by Source Naturals interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Is L-alanine safe if I'm pregnant or breastfeeding?
What does L-alanine actually do?
Are there any side effects listed for L-alanine?
Should I take this if I don't have a specific health condition?
Will this interact with my blood pressure or diabetes medications?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Alanine 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-Alanine’s Ingredients
Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.
Sources & How We Checked
L-Alanine'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 2 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.
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