No known drug interactions for the matched ingredients — not a guarantee none exist. Check your meds →
Dietary supplement

L-Serine Complex Ingredients & Drug Interactions

by Absonutrix

Liquid Category: Other Combinations
No known interaction
The interaction bottom line No known interaction

L-Serine Complex is a dietary supplement by Absonutrix 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 Complex by Absonutrix

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.

From our pharmacy team — supplement deep dive

What’s inside

Low disclosure
Ingredient Transparency · database check
Low

Most active ingredients don't disclose an individual amount — you can't tell how much of each you're getting.

Why this rating?
  • The label discloses an exact amount for 0 of its 3 active ingredients.
  • “L-Serine Complex” is a proprietary blend — the label gives one combined amount (500 mg) without saying how much of each component you get.

This liquid contains one active ingredient: L-serine, an amino acid your body uses to build cell membranes and support nervous system function. The product also contains water, ethanol (a small amount, as a preservative), and inactive ingredients — potassium sorbate (another preservative), stevia (a sweetener), and peppermint oil for flavor.

Does it work?

Moderate evidence
Evidence for Intended Use · database check
By FDA rules, dietary supplements can’t claim to treat, cure, or prevent disease — so labels speak in careful marketing language. We discern each product’s intended use from its name, label claims, and label statements, then grade the clinical evidence for that use. How these ratings are computed

This product doesn't appear to be marketed for a specific use, so we graded Serine's overall clinical evidence instead.

Moderate

Some clinical evidence supports Serine for:

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.
  • Since the label doesn't commit to one use, we graded the ingredient's overall clinical evidence instead.
  • On file: Schizophrenia — rated "Possibly Effective" (Natural Medicines).

L-serine has possibly effective evidence for schizophrenia. For Alzheimer's disease, ALS (Lou Gehrig's disease), back pain, post-traumatic stress disorder, and cognitive function, the evidence isn't established well enough for us to rate it.

If you're considering this for one of those purposes, talk with your doctor about whether the current research supports it for your situation.

The evidence, ingredient by ingredient Serine

How safe is it?

Well-documented data
Safety Information · database check
Well characterized

Adverse-effect, pregnancy, and general safety data are on file for most of these ingredients.

Why this rating?
  • We hold adverse-effect (side-effect) data for 1 of the 1 matched ingredient.
  • Pregnancy & breastfeeding safety ratings cover 1 of 1.
  • General safety write-ups exist for 1 of 1.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

L-serine is generally well tolerated at typical doses. The most common side effects are gastrointestinal — stomach pain, bloating, indigestion, loss of appetite, and nausea — and they tend to depend on how much you take.

At very high doses (more than about 25 grams daily), rare serious effects like seizures or eye movement problems have been reported, though these reversed when the dose stopped. There isn't enough safety data on supplemental serine in pregnancy or breastfeeding, so the guidance advises against it unless your doctor directs otherwise.

Talk with your obstetrician or midwife before using this if you're pregnant or nursing.

Side effects, ingredient by ingredient Serine

Meds to double-check

No known interactions
Known Interaction Concern · database check
No known interactions

No medication interactions are currently documented for the matched ingredients — that isn't a guarantee none exist.

Why this rating?
  • None of the 1 matched ingredient has a documented medication interaction on file.

No interactions are documented in our data for the ingredients we could check. Run your medications through the tool on this page to be sure.

The bottom line

Scorecard at a glanceFormula with limited ingredient disclosure with some supporting evidence behind its ingredients' uses. No medication interactions are currently documented, and safety information is well characterized.

L-serine is worth considering if you're exploring options for schizophrenia and your doctor supports it. If you're taking it for another reason — cognitive support, back pain, or PTSD — the evidence isn't clear yet.

Watch for stomach upset, especially if you're new to it. Avoid it in pregnancy and while breastfeeding unless your doctor says otherwise.

Educational only — not medical advice; always confirm with your pharmacist. Our editorial policy · How we use AI

Assessment coverage: 1 of 3 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Feb 23, 2025.

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

At a glance

General information

Key facts about L-Serine Complex, straight from the product label.

Brand Absonutrix
Barcode (UPC) 709257079417
Net contents 4 Fluid Ounce(s); 118 mL
Market status On market
Date entered into DSLD Feb 23, 2025
DSLD ID 322361
Product type Other Combinations
Supplement form Liquid
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years)
From the label
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 Complex by Absonutrix, sourced from the NIH Dietary Supplement Label Database.

Supplement Facts

Daily Value (DV) Target Group(s):
Adults and children 4 or more years of age
Minimum serving Sizes:
0.59 mL
Maximum serving Sizes:
0.59 mL
Servings per container
200
UPC/BARCODE
709257079417
IngredientAmount% DV
L-Serine0 NP--
Water0 NP--
Ethanol0 NP--
L-Serine Complex500 mg--

Other ingredients: Potassium Sorbate, Stevia, Peppermint Oil

Tap any ingredient to jump to its full detail below.

Label statements
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 use: Shake well before using. Take 17 drops once daily. Hold in mouth for 15 seconds and then swallow.

Precautions

Caution: for adults only. Keep out of reach of children.

Consult a physician if you are pregnant/nursing, taking any medications, or have a medical condition.

In the unlikely event that you do experience any side effects or allergies, stop use immediately and promptly seek medical attention.

Keep out of the reach of children.

Do not use if safety seal is damaged or missing.

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.

Seals/Symbols

Made in USA

General Statements

Please recycle

Formulation

Highest quality ingredients Powerful formula Made in USA

FDA Statement of Identity

Dietary Supplement

See for yourself

L-Serine Complex by Absonutrix label

The label scan from the NIH Dietary Supplement Label Database. Tap to enlarge.

What’s inside

The Ingredients in L-Serine Complex by Absonutrix

This is the 1 active ingredient this product is made of. Select it to open its full monograph.

Serving size0.59 mL Dosage formLiquid Servings per container200 Amounts shown are per serving.

L-Serine Complex

No known
interactions
500 mg per serving

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 Complex monograph & interactions

Other (inactive) ingredients: Potassium Sorbate, Stevia, Peppermint Oil. These complete the product’s ingredient list but are not active constituents.

Interaction report

L-Serine Complex by Absonutrix Drug Interactions

We don’t currently list any known drug interactions for the mapped ingredients in L-Serine Complex. This doesn’t guarantee none exist — always confirm with your pharmacist before combining a supplement with your medications.

The maker

Brand information

Manufacturer and brand details for L-Serine Complex, from the product label.

Absonutrix

See all Absonutrix products
Name
Absonutrix
Street Address
8905 West Market Street
City
Colfax
State
NC
ZipCode
27235
Phone Number
1-855-368-8749
Web Address
www.absonutrix.com
Pharmacist Counseling Corner

L-Serine Complex by Absonutrix: Common Questions

Does L-Serine Complex by Absonutrix interact with any medications?
We do not currently list a known interaction for the mapped ingredients in L-Serine Complex. This does not guarantee none exist, so confirm with your pharmacist.
How can one product interact with so many drugs?
L-Serine Complex contains a single active ingredient, and that one ingredient can interact with many different medications on its own. We check it against each medication and show the mechanism responsible.
Where does this information come from?
The product label data comes from the NIH Dietary Supplement Label Database (DSLD); the interaction data is built on the Natural Medicines database and reviewed by HelloPharmacist pharmacists.
What is L-serine, and what does it do in the body?
L-serine is an amino acid — a building block your body uses to make proteins and cell membranes, especially in your nervous system and brain. It's found in food, and supplements aim to increase your intake above what diet alone provides.
Will this help my memory or thinking?
The evidence for L-serine and cognitive function isn't established well enough yet for us to rate it. If memory or thinking is why you're considering it, check with your doctor about what the current research shows for your situation.
What side effects should I watch for?
The most common are gastrointestinal — stomach pain, bloating, indigestion, nausea, or loss of appetite. These tend to be dose-dependent, so they're more likely at higher doses. At very high doses, rare serious effects like seizures have been reported.
Can I take this while pregnant?
There isn't enough safety data on supplemental serine in pregnancy, so the guidance advises against it unless your doctor directs otherwise. Talk with your obstetrician or midwife before starting it.
Is this safe to breastfeed with?
Safety during breastfeeding hasn't been studied, so you should avoid supplements unless your doctor tells you it's okay. Check with your pediatrician or lactation specialist before taking it.
Does this liquid have fillers or additives I should know about?
The inactive ingredients are potassium sorbate and stevia (sweeteners and preservatives) and peppermint oil for flavor. It also contains ethanol as a preservative in the amounts typical for liquid supplements.

Written and reviewed by the HelloPharmacist editorial staff. Our editorial policy

Not sure if L-Serine Complex is safe with your meds?

Our pharmacists answer your medication & supplement questions — free.

Ask a pharmacist

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.

L-Serine Complex label
Go deeper

The Full Monographs Behind L-Serine Complex’s Ingredients

Every ingredient we hold a full HelloPharmacist monograph for — uses, evidence, safety, and the complete interaction list.

Sources

Sources & How We Checked

L-Serine Complex'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.

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
  1. 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.
  2. 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
  3. 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

See these in context on the Serine monograph →

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

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