L-Serine 550 mg Ingredients & Drug Interactions
What is this page for?
First and foremost: checking L-Serine 550 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-Serine 550 mg is a dietary supplement by BulkSupplements.com with 1 active ingredient. Its ingredients are commonly taken for memory and brain health, nervous system disorders (e.g., als research), mood and stress support.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-Serine 550 mg by BulkSupplements.com
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-serine, an amino acid your body uses to build proteins and cell membranes. You get 550 mg per capsule.
There are no inactive ingredients (fillers or binders) listed.
Does it work?
Moderate evidence
L-serine is possibly effective for schizophrenia based on the evidence we hold. For Alzheimer disease, amyotrophic lateral sclerosis (ALS, Lou Gehrig's disease), back pain, post-traumatic stress disorder (PTSD), and cognitive function, the evidence is insufficient to say whether it works—we just don't have enough reliable data yet.
How safe is it?
Well-documented data
L-serine is generally well tolerated at typical doses, though long-term safety with supplements hasn't been fully established. The most common side effects are gastrointestinal—stomach upset, bloating, indigestion, loss of appetite, and nausea.
These tend to be dose-dependent. At very high doses (over about 25 grams daily), rare serious side effects like seizures and eye movement problems (nystagmus) have been reported, though these appear reversible.
There isn't enough safety data to know whether L-serine is safe in pregnancy, so it's best avoided unless your doctor advises it. Safety during breastfeeding has not been studied; talk with your doctor or pharmacist before using it if you're nursing.
Meds to double-check
No known interactions
No interactions are documented for L-serine in our data. Still, before you begin, run your medications through the search tool on this page and confirm with your doctor or pharmacist that it's okay to add.
The bottom line
Scorecard at a glanceFully disclosed formula with some supporting evidence behind its ingredients' uses. No medication interactions are currently documented, and safety information is well characterized.
L-serine may be worth considering if you're exploring options for schizophrenia, though you should discuss that with your doctor first. For other uses listed here—Alzheimer disease, ALS, back pain, PTSD, or cognitive function—the evidence just isn't established enough yet.
Keep an eye on your stomach if you start it, and stick to normal doses. Check with your own doctor or pharmacist before adding it to your routine, especially if you're pregnant, breastfeeding, or taking any medications.
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, 2021.
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-Serine 550 mg, straight from the product label.
| Brand | BulkSupplements.com |
|---|---|
| Net contents | 100 Vegetarian Capsule(s) |
| Market status | On market |
| Date entered into DSLD | Aug 23, 2021 |
| DSLD ID | 252823 |
| Product type | Amino Acid/protein |
| Supplement form | Capsule |
| Dietary claims / uses | All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Women (not pregnant or lactating), 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-Serine 550 mg by BulkSupplements.com, 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.
General Statements
Clean & pure bulk supplements
Powder density may vary. For accurate measurement, a milligram scale is necessary.
Formulation
Free of: Sugar, soy, dairy, yeast, gluten or additives
Suggested/Recommended/Usage/Directions
Directions: As a dietary supplement, take 3-4 capsules daily or as directed by a physician.
Storage
Storage: Keep dry, cool & dark
Precautions
Warning: This product is not intended for use by those with a serious medical condition or pregnant or lactating women.
Consult your physician before use.
Keep out of 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.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Serine 550 mg by BulkSupplements.com 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-Serine 550 mg by BulkSupplements.com
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size3 Capsule(s) Dosage formCapsule Servings per container25 Amounts shown are per serving.
L-Serine
No knowninteractions
Serine is an amino acid your body can make on its own and also gets from protein-rich foods, so most people do not need a supplement. L-serine has bee...
L-Serine monograph & interactionsOther (inactive) ingredients: None. These complete the product’s ingredient list but are not active constituents.
L-Serine 550 mg by BulkSupplements.com Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Serine 550 mg. 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-Serine 550 mg, from the product label.
BulkSupplements.com
See all BulkSupplements.com products- Name
- BulkSupplements.com
- Street Address
- 7511 Eastgate Road
- City
- Henderson
- State
- NV
- ZipCode
- 89011
- Web Address
- BulkSupplements.com
L-Serine 550 mg by BulkSupplements.com: Common Questions
Does L-Serine 550 mg by BulkSupplements.com interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What is L-serine and what does it do in my body?
Does L-serine help with memory or brain function?
What side effects should I watch for?
Is L-serine safe to take while pregnant?
Can I take L-serine while breastfeeding?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Serine 550 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-Serine 550 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-Serine 550 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 3 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.
Serine 3 references
- Fridman V, Suriyanarayanan S, Novak P, et al. Randomized trial of l-serine in patients with hereditary sensory and autonomic neuropathy type 1. Neurology. 2019;92(4):e359-e370.
- Kantrowitz JT, Malhotra AK, Cornblatt B, et al. High dose D-serine in the treatment of schizophrenia. Schizophr Res. 2010 Aug;121(1-3):125-30. PubMed
- Levine TD, Miller RG, Bradley WG, et al. Phase I clinical trial of safety of L-serine for ALS patients. Amyotroph Lateral Scler Frontotemporal Degener. 2017;18(1-2):107-111. 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