L-Aspartic Acid Powder Ingredients & Drug Interactions
by Source Naturals
What is this page for?
First and foremost: checking L-Aspartic Acid 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-Aspartic Acid Powder is a dietary supplement by Source Naturals with 1 active ingredient. Its ingredients are commonly taken for testosterone support, athletic performance and muscle building, energy and endurance.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-Aspartic Acid Powder 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-aspartic acid, an amino acid. There are no other active ingredients, and no inactive fillers or binders listed.
Does it work?
Not established
The evidence doesn't currently support claims about L-aspartic acid for athletic performance, muscle strength, fatigue, or opioid withdrawal. Our data shows insufficient reliable evidence to rate it for any of these uses.
That doesn't mean it doesn't work — it means the research backing it hasn't been established in the sources we have on file.
How safe is it?
Some data gaps
L-aspartic acid in food amounts is generally well tolerated, but long-term safety of high-dose supplements hasn't been well studied. The safety data advises against use during pregnancy and breastfeeding, since we don't have enough research on supplement doses in those situations.
If you're pregnant, planning to become pregnant, or breastfeeding, talk with your doctor or pharmacist before taking this.
Meds to double-check
No known interactions
No interactions are documented in our data for L-aspartic acid. That said, run your medications through the search tool on this page to confirm none of your drugs interact with it.
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.
L-Aspartic Acid Powder has no documented interactions with medications, which is a good start. The catch is that evidence for what it's claimed to do — boost athletic performance, reduce fatigue, or build muscle — just isn't established in our data.
Before you buy, talk with your doctor or pharmacist about whether it makes sense for what you're trying to achieve.
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, 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-Aspartic Acid Powder, straight from the product label.
| Brand | Source Naturals |
|---|---|
| Barcode (UPC) | 021078001676 |
| Net contents | 3.53 Ounce(s); 100 Gram(s) |
| Market status | On market |
| Date entered into DSLD | Aug 23, 2023 |
| DSLD ID | 295936 |
| Product type | Amino Acid/protein |
| Supplement form | Powder |
| Dietary claims / uses | Nutrient, 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-Aspartic Acid Powder by Source Naturals, sourced from the NIH Dietary Supplement Label Database.
Supplement Facts
| Ingredient | Amount | % DV |
|---|---|---|
| Calories | 10 Calorie(s) | -- |
| L-Aspartic Acid | 1.9 Gram(s) | -- |
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
Formulation
Free-form powder
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.
Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat.
Formula
L-Aspartic acid plays a vital role in energy production. It is one of the components necessary to move high-energy NADH molecules from the main body of a cell to its mitochondria, or primary energy-production areas. Once there, the NADH is used to generate ATP, the energy fuel that powers all the cell's activities. Besides helping with energy production, L-Aspartic acid is a major excitatory neurotransmitter.
Suggested/Recommended/Usage/Directions
Suggested Use: 1/4 to 1/2 teaspoon daily between meals.
Precautions
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
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.
Brand IP Statement(s)
Copyright SOURCE NATURALS, INC.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Aspartic Acid Powder 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-Aspartic Acid Powder by Source Naturals
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size0.25 Teaspoon(s) Dosage formPowder Servings per container52 Amounts shown are per serving.
L-Aspartic Acid
No knowninteractions
Aspartic acid is a common amino acid your body makes on its own and gets from protein-rich foods, so a true deficiency is rare. D-aspartic acid is hea...
L-Aspartic Acid monograph & interactionsL-Aspartic Acid Powder by Source Naturals Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Aspartic Acid Powder. 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-Aspartic Acid Powder, 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-Aspartic Acid Powder by Source Naturals: Common Questions
Does L-Aspartic Acid Powder by Source Naturals interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
Can I take this while pregnant or breastfeeding?
Does this really help with athletic performance or muscle strength?
What is L-aspartic acid, anyway?
Is this safe to take long-term?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Aspartic Acid 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-Aspartic Acid 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-Aspartic Acid 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 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.
Aspartic Acid 1 reference
- Food and Nutrition Board, Institute of Medicine. Dietary Reference Intakes for Energy, Carbohydrate, Fiber, Fat, Fatty Acids, Cholesterol, Protein, and Amino Acids. Washington, DC: The National Academies Press, 2005. Available at: https://doi.org/10.17226 DOI
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