L-Serine Unflavored Ingredients & Drug Interactions
What is this page for?
First and foremost: checking L-Serine Unflavored 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 Unflavored is a dietary supplement by California Gold Nutrition 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 Unflavored by California Gold Nutrition
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, a naturally occurring amino acid. L-serine plays a role in nerve cell function and is found in small amounts in foods like eggs, dairy, and meat.
This unflavored powder lets you mix it into beverages or foods without added flavor or sweeteners.
Does it work?
Moderate evidence
The evidence supporting L-serine is mixed and sparse. It's rated possibly effective for schizophrenia, meaning some research suggests it may help, but more study is needed.
For Alzheimer disease, ALS (Lou Gehrig's disease), back pain, PTSD, and general cognitive function, the evidence isn't reliable enough to rate it — we simply don't have solid data one way or the other.
How safe is it?
Well-documented data
L-serine at food amounts is generally well tolerated, but the long-term safety of supplement doses isn't well established. At medicinal doses, gastrointestinal upset — nausea, bloating, abdominal pain, indigestion, and loss of appetite — is the most common side effect and appears to depend on how much you take.
Seizures are rare but have been reported at very high doses (over 25 grams daily). There isn't enough safety data to use L-serine supplements during pregnancy, so the recommendation is to avoid it unless your doctor advises otherwise.
Safety during breastfeeding hasn't been studied, so it's best avoided unless directed by your doctor.
Meds to double-check
No known interactions
No interactions are documented in our data for L-serine. Before you start, check with your own doctor or pharmacist to confirm it won't interfere with your specific medications.
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 the evidence is still developing. If you're pregnant, breastfeeding, or taking any medications, talk it over with your doctor or pharmacist first — they can assess whether it fits your individual situation and flag any concerns we might not have data on yet.
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 Sep 22, 2022.
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 Unflavored, straight from the product label.
| Brand | California Gold Nutrition |
|---|---|
| Barcode (UPC) | 898220015085 |
| Net contents | 2.2 lb(s); 1 KG(s) |
| Market status | On market |
| Date entered into DSLD | Sep 22, 2022 |
| DSLD ID | 274249 |
| Product type | Amino Acid/protein |
| Supplement form | Powder |
| Dietary claims / uses | Nutrient, All Other, Structure/Function |
| Intended target group(s) | Adult (18 - 50 Years), Gluten 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 Unflavored by California Gold Nutrition, 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.
Suggested/Recommended/Usage/Directions
Suggested usage: Mix 1 scoop (approximately 10 grams) in juice or beverage of your choice 1 to 3 times per day. Best when taken as directed by a qualified healthcare professional.
Precautions
Warnings: Keep out of reach of children.
Pregnant or lactating women, the chronically ill, elderly, individuals under the age of 18, those taking prescription medications as well as those with a physician-diagnosed medical condition should consult with a physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.
Pregnant or lactating women, the chronically ill, elderly, individuals under the age of 18, those taking prescription medications as well as those with a physician-diagnosed medical condition should consult with a physician, pharmacist, naturopath or other qualified healthcare professional prior to taking dietary supplements.
Sealed for your protection. Do not use if seal is missing or broken.
This product is not manufactured with eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, or gluten. Produced in a third-party, audited and registered cGMP compliant facility that may process other products that contain these allergens or ingredients.
Storage
Best stored at controlled room temperature 20 degrees C to 25 degrees C (68 degrees F to 77 degrees F). Improper storage conditions, such as extended exposure to direct sunlight, high heat & humidity can cause product degradation over time.
FDA Disclaimer Statement
This statement has not been evaluated by the food and drug administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Formula
L-Serine Amino Acid AjiPure Amino Acids
Formulation
Formulated to Contain No gluten No GMOs No soy
This product is not manufactured with eggs, fish, crustacean shellfish, tree nuts, peanuts, wheat, soy, or gluten.
FDA Statement of Identity
Dietary Supplement
General Statements
10 grams per 1 slightly rounded scoop is an average. Individual scooping technique may yield slightly less than or slightly more than 10 grams. Slightly rounded scoop 13cc Image not actual scoop size
Brand IP Statement(s)
AjiPure is a registered trademark of AJINOMOTO CO., INC.
Is this label outdated? Report a formula or label change and our pharmacy team will review it.
L-Serine Unflavored by California Gold Nutrition 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 Unflavored by California Gold Nutrition
This is the 1 active ingredient this product is made of. Select it to open its full monograph.
Serving size10 Gram(s) Dosage formPowder Servings per container100 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 Unflavored by California Gold Nutrition Drug Interactions
We don’t currently list any known drug interactions for the mapped ingredients in L-Serine Unflavored. 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 Unflavored, from the product label.
California Gold Nutrition
See all California Gold Nutrition products- Name
- California Gold Nutrition
- Street Address
- 22780 Harley Knox Blvd.
- City
- Perris
- State
- CA
- ZipCode
- 92570
- Web Address
- www.calgn.com
L-Serine Unflavored by California Gold Nutrition: Common Questions
Does L-Serine Unflavored by California Gold Nutrition interact with any medications?
How can one product interact with so many drugs?
Where does this information come from?
What are the most common side effects?
Can I take this while pregnant?
Is it safe to breastfeed while taking L-serine?
Does L-serine really improve memory or thinking?
What is L-serine, and where does it come from?
Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy
Not sure if L-Serine Unflavored 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 Unflavored’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 Unflavored'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