Major interaction on record — check this product against your medications before combining. Based on 1 of 2 ingredients. Check your meds →
Dietary supplement

L-Methylfolate 7.5 mg Ingredients & Drug Interactions

by MethylPro

Capsule Category: Other Combinations
Most serious interaction: Major
The interaction bottom line Most serious interaction: Major

L-Methylfolate 7.5 mg is a dietary supplement by MethylPro with 2 active ingredients. Its ingredients are commonly taken for sleep quality and insomnia, relaxation, cognitive function.Based on those ingredients, 169 medications have a known interaction with it, the most serious rated major. The ingredients most likely to interact are Glycine. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

HelloPharmacist Scorecard of L-Methylfolate 7.5 mg by MethylPro

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

Full disclosure
Ingredient Transparency · database check
Full

Every active ingredient lists its own amount on the label.

Why this rating?
  • The label discloses an exact amount for 2 of its 2 active ingredients.
  • “Folate” is listed as a grouped ingredient — the label gives one combined amount (12.50 mg DFE) without saying how much of each component you get.
  • “Folate” is listed as a grouped ingredient — the label gives one combined amount (7.50 mg) without saying how much of each component you get.

MethylPro L-Methylfolate 7.5 mg contains two active ingredients: glycine and calcium L-5-methylfolate (a bioavailable form of folate). The product comes in a vegetarian cellulose capsule.

Does it work?

Strong 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 its ingredients' overall clinical evidence instead.

Strong

Strong clinical evidence supports its ingredients 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 ingredients' overall clinical evidence instead.
  • On file: Dyspepsia — rated "Effective" (Calcium) (Natural Medicines).
  • On file: Hyperkalemia — rated "Effective" (Calcium) (Natural Medicines).
  • On file: Hypocalcemia — rated "Effective" (Calcium) (Natural Medicines).
  • On file: Kidney failure — rated "Effective" (Calcium) (Natural Medicines).
  • On file: Hyperparathyroidism — rated "Likely Effective" (Calcium) (Natural Medicines).

Glycine is possibly effective for schizophrenia based on available data, though evidence for other conditions—including ADHD, benign prostatic hyperplasia, and cystic fibrosis—is insufficient to rate. Calcium itself is effective for kidney failure, indigestion, low blood calcium (hypocalcemia), and high potassium (hyperkalemia), and is likely effective for osteoporosis.

Effectiveness data for the folate component itself is not on file with us.

The evidence, ingredient by ingredient Glycine

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 2 of the 2 matched ingredients.
  • Pregnancy & breastfeeding safety ratings cover 2 of 2.
  • General safety write-ups exist for 2 of 2.
  • Remember: this measures how much safety information exists. Thin data is not the same as being safe.

Glycine is generally well tolerated at typical doses, though long-term safety data are limited. Rare side effects include mild sedation, irritability, insomnia, fatigue, memory problems, headache, soft stools, nausea, vomiting, and stomach discomfort—all resolve quickly if you stop taking it.

Calcium is generally safe at recommended amounts; very high doses can cause constipation, diarrhea, stomach upset, and rarely kidney stones or a serious condition called calciphylaxis. Some epidemiological evidence suggests very high calcium intake (over 1,500 mg daily) may be linked to increased prostate cancer risk, though this remains debated.

For pregnancy, calcium at recommended amounts is considered likely safe and important for fetal development. During breastfeeding, recommended amounts are safe and adequate for milk production; check with your provider on dosing.

Pregnancy and lactation safety data for glycine are not on file.

Side effects, ingredient by ingredient Glycine

Meds to double-check

Major interaction found
Known Interaction Concern · database check
Major identified

At least one ingredient has a documented Major-severity interaction. Check your medications for a personalized result.

Why this rating?
  • 2 of the 2 matched ingredients can interact with medications — Calcium, Glycine.
  • The most serious interaction on file is rated Major.
  • Some involve high-stakes drug classes: heart-rhythm medications; lithium.
  • For scale: 169 individual medications appear in the full list. A big number alone doesn't make a product dangerous — what matters is whether YOUR medication is on it, so run yours through the interaction checker on this page.

Before taking this product, check with your doctor or pharmacist if you take the HIV drugs dolutegravir or elvitegravir, the antibiotic ceftriaxone, the antipsychotic clozapine, or the thyroid, heart, or blood pressure medications listed above—especially the HIV and antibiotic interactions, which are Major severity. Calcium can significantly reduce how well these drugs work or create dangerous complications.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with strong clinical evidence behind its ingredients' uses. Major medication interactions have been identified, and safety information is well characterized.

This product's main value is as a folate supplement, but the calcium content creates multiple drug interactions—most serious with HIV medications and ceftriaxone. If you take any of those drugs, or levothyroxine, sotalol, diltiazem, clozapine, or calcipotriene, talk with your doctor or pharmacist before starting.

Even if you don't take those specific medications, run your complete medication list through the interaction checker on this page.

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

Assessment coverage: 2 of 2 active ingredients matched to our full ingredient reviews (monographs). Based on the product label dated Oct 24, 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

At a glance

General information

Key facts about L-Methylfolate 7.5 mg, straight from the product label.

Brand MethylPro
Barcode (UPC) 838287008149
Net contents 30 Capsule(s)
Market status On market
Date entered into DSLD Oct 24, 2022
DSLD ID 274330
Product type Other Combinations
Supplement form Capsule
Dietary claims / uses Nutrient, All Other
Intended target group(s) Adult (18 - 50 Years), Gluten Free, Dairy Free
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-Methylfolate 7.5 mg by MethylPro, 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:
1 Capsule(s)
Maximum serving Sizes:
1 Capsule(s)
Servings per container
30
UPC/BARCODE
838287008149
IngredientAmount% DV
Glycine260 mg--
Folate12.5 mg DFE3125%
Folate7.5 mg--
Calcium L-5-Methylfolate10.3 mg--

Other ingredients: Vegetarian Cellulose Capsule

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.
Precautions

Caution: Pregnant or lactating women, or individuals taking prescription medications, consult your healthcare professional before taking this product.

Keep tightly closed in a cool, dry place, out of the reach of children.

Directions: Use only as directed by a healthcare professional.

Storage

Keep tightly closed in a cool, dry place, out of the reach of children.

Formulation

Egg free Gluten free Free of nuts Dairy free

Manufactured in a GMP Compliant Facility

Formula

Professional strength L-Methylfolate

FDA Statement of Identity

Dietary Supplement

Suggested/Recommended/Usage/Directions

Directions: Use only as directed by a healthcare professional.

See for yourself

L-Methylfolate 7.5 mg by MethylPro label

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

What’s inside

The Ingredients in L-Methylfolate 7.5 mg by MethylPro

These are the 2 active ingredients this product is made of. Select any to open its full monograph.

Serving size1 Capsule(s) Dosage formCapsule Servings per container30 Amounts shown are per serving.

Most supplement products combine several ingredients, and a medication can interact with the product through any one of them. Each ingredient below shows whether it has known drug interactions.

Glycine

Interacts with
1 drug
260 mg per serving

Glycine is a non-essential amino acid your body makes on its own and that also appears in protein-rich foods. It is most studied for improving sleep q...

Glycine monograph & interactions

Folate

12.5 mg DFE per serving
  • › Folate

Other (inactive) ingredients: Vegetarian Cellulose Capsule. These complete the product’s ingredient list but are not active constituents.

Interaction report

L-Methylfolate 7.5 mg by MethylPro Drug Interactions

Want to check YOUR meds against L-Methylfolate 7.5 mg?

Ask about interactions with your drugs in plain English — “Can I take it with lisinopril?” — and we find you the answer in seconds, ingredient by ingredient.

Go to the checker
169Drugs
7 Major 144 Moderate 18 Minor

Ingredients driving the most interactions

Each ingredient & the kinds of drugs it affects

For each ingredient in L-Methylfolate 7.5 mg with known interactions, here are the types of medications it can affect. Open any type for the detail — or search your exact drug in the checker above.

Glycine1 drug type · 1 drug

Clozapine (Clozaril)

Theoretically, glycine might decrease the effectiveness of clozapine.
One small clinical study in patients with schizophrenia shows that adding glycine to clozapine therapy worsens symptoms of schizophrenia when compared with clozapine alone. The mechanism of this interaction is unclear.

Likelihood Probable Evidence B
The maker

Brand information

Manufacturer and brand details for L-Methylfolate 7.5 mg, from the product label.

MethylPro

See all MethylPro products
Name
Metabolic Maintenance
Street Address
601 N Larch Street
City
Sisters
State
Oregon
ZipCode
97759
Phone Number
888-242-5327
Web Address
MethylPro.com
Pharmacist Counseling Corner

L-Methylfolate 7.5 mg by MethylPro: Common Questions

Does L-Methylfolate 7.5 mg by MethylPro interact with any medications?
Yes. Based on its ingredients, L-Methylfolate 7.5 mg has a known interaction with 169 medications, including 7 rated major. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
L-Methylfolate 7.5 mg contains 2 active ingredients, and an interaction can come from any of them. We check every ingredient, combine the results into one list per medication, and show which ingredient and mechanism is 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.
Will this interfere with my levothyroxine (Synthroid)?
Yes, calcium in this product can reduce levothyroxine absorption and effectiveness. Take your levothyroxine and this product at least 4 hours apart to minimize the interaction.
Is glycine safe long-term?
Glycine is generally well tolerated, but long-term safety data are limited. If you plan to take this product for an extended period, discuss it with your doctor.
Can I take this while pregnant?
Calcium at recommended amounts is likely safe and important during pregnancy, but we don't have pregnancy safety data on file for the glycine in this product. Talk with your doctor or pharmacist about whether this is right for you during pregnancy.
What side effects might I experience?
Calcium may cause belching, constipation, diarrhea, or mild stomach upset. Glycine rarely causes sedation, irritability, insomnia, nausea, or stomach discomfort—all of which resolve quickly if you stop. Report any unusual symptoms to your doctor.
Why does this product contain both calcium and glycine?
The calcium is part of the calcium L-5-methylfolate—a form of folate that also delivers bioavailable calcium. Glycine is the other active ingredient in the formulation.

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

Not sure if L-Methylfolate 7.5 mg 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-Methylfolate 7.5 mg label
Go deeper

The Full Monographs Behind L-Methylfolate 7.5 mg’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-Methylfolate 7.5 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.

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 67 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.

Glycine 5 references
  1. Heresco-Levy U, Javitt DC, Ermilov M, et al. Efficacy of high-dose glycine in the treatment of enduring negative symptoms of schizophrenia. Arch Gen Psychiatry 1999;56:29-36.. PubMed
  2. Potkin SG, Jin Y, Bunney BG, Costa J, Gulasekaram B. Effect of clozapine and adjunctive high-dose glycine in treatment-resistant schizophrenia. Am J Psychiatry 1999;156:145-7.. PubMed
  3. Gusev EI, Skvortsova VI, Dambinova SA, et al. Neuroprotective effects of glycine for therapy of acute ischaemic stroke. Cerebrovasc Dis 2000;10:49-60. PubMed
  4. Inagawa K, Kawai N, Ono K, Sukegawa E, Tsubuku S, Takahashi M. Assessment of acute adverse effects of glycine ingestion at a high dose in human volunteers. Seikatsu Eisei. 2006; 50:27-32.
  5. Woods SW, Walsh BC, Hawkins KA, Miller TJ, Saksa JR, D'Souza DC, Pearlson GD, Javitt DC, McGlashan TH, Krystal JH. Glycine treatment of the risk syndrome for psychosis: report of two pilot studies. Eur Neuropsychopharmacol. 2013 Aug;23(8):931-40. PubMed

See these in context on the Glycine monograph →

Calcium 62 references
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  2. Hernandez-Avila M, Gonzalez-Cossio T, Hernandez-Avila JE, et al. Dietary calcium supplements to lower blood lead levels in lactating women: a randomized placebo-controlled trial. Epidemiology 2003;14:206-12.. PubMed
  3. Thys-Jacobs S, Ceccarelli S, Bierman A, et al. Calcium supplementation in premenstrual syndrome: a randomized crossover trial. J Gen Intern Med 1989;4:183-9. PubMed
  4. Maton PN, Burton ME. Antacids revisited: a review of their clinical pharmacology and recommended therapeutic use. Drugs 1999;57:855-70.
  5. Clemens JD, Feinstein AR. Calcium carbonate and constipation: a historical review of medical mythopoeia. Gastroenterology 1977;72:957-61. DOI
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  7. Friedman PA, Bushinsky DA. Diuretic effects on calcium metabolism. Semin Nephrol 1999;19:551-6.
  8. Koo WK, Walters JC, Esterlitz J, et al. Maternal calcium supplementation and fetal bone mineralization. Obstet Gynecol 1999;94:577-82. DOI
  9. Raman L, Rajalakshmi K, Krishnamachari KAVR, et al. Effect of calcium supplementation to undernourished mothers during pregnancy on the bone density of the neonates. Am J Clin Nutr 1978; 31:466-9. DOI
  10. Murry JJ, Healy MD. Drug-mineral interactions: a new responsibility for the hospital dietician. J Am Diet Assoc 1991;91:66-73.
  11. Chan JM, Giovannucci E, Andersson SO, et al. Dairy products, calcium, phosphorous, vitamin D, and risk of prostate cancer. Cancer Causes Control 1998;9:559-66.
  12. Butner LE, Fulco PP, Feldman G, et al. Calcium carbonate-induced hypothyroidism. Ann Intern Med 2000:132:595. PubMed
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  14. Moser LR, Smythe MA, Tisdale JE. The use of calcium salts in the prevention and management of verapamil-induced hypotension. Ann Pharmacother 2000;34:622-9. PubMed
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  17. Pletz MW, Petzold P, Allen A, et al. Effect of calcium carbonate on bioavailability of orally administered gemifloxacin. Antimicrob Agents Chemother 2003;47:2158-60.. PubMed
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  19. Decktor DL, Robinson M, Maton PN, et al. Effects of aluminum/magnesium hydroxide and calcium carbonate on esophageal and gastric pH in subjects with heartburn. Am J Ther 1995;2:546-52. PubMed
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  26. Tseng M, Breslow RA, Graubard BI, Ziegler RG. Dairy, calcium, and vitamin D intakes and prostate cancer risk in the National Health and Nutrition Examination Epidemiologic Follow-up Study cohort. Am J Clin Nutr 2005;81:1147-54. PubMed
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  29. Giovannucci E, Liu Y, Stampfer MJ, Willett WC. A prospective study of calcium intake and incident and fatal prostate cancer. Cancer Epidemiol Biomarkers Prev 2006;15:203-10. PubMed
  30. Rocephin (ceftriaxone) and calcium interaction. Pharmacist's Letter / Prescriber's Letter 2007;23(10):231005.
  31. Bolland MJ, Barber PA, Doughty RN, et al. Vascular events in healthy older women receiving calcium supplementation: randomised control trial. BMJ 2008;336:262-6.
  32. Bolland MJ, Avenell A, Baron JA, et al. Effect of calcium supplements on risk of myocardial infarction and cardiovascular events: meta-analysis. BMJ 2010;341:c3691. PubMed
  33. Calcium supplementation and vascular events. Pharmacist's Letter / Prescriber's Letter 2008;24(3):240306.
  34. Dietary reference intakes for calcium and vitamin D. Institute of Medicine, November 30, 2010. Available at: http://www.iom.edu/~/media/Files/Report%20Files/2010/Dietary-Reference-Intakes-for-Calcium-and-Vitamin-D/Vitamin%20D%20and%20Calcium%202010%20Repo
  35. Coburn JW, Mischel MG, Goodman WG, et al. Calcium citrate markedly enhances aluminum absorption from aluminum hydroxide. Am J Kidney Dis. 1991;17(6):708-11. PubMed
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  37. Kays MB, Overholser BR, Mueller BA, et al. Effects of sevelamer hydrochloride and calcium acetate on the oral bioavailability of ciprofloxacin. Am J Kidney Dis. 2003;42(6):1253-9. PubMed
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  39. Dickinson, H. O., Nicolson, D. J., Cook, J. V., Campbell, F., Beyer, F. R., Ford, G. A., and Mason, J. Calcium supplementation for the management of primary hypertension in adults. Cochrane.Database.Syst.Rev. 2006;(2):CD004639. PubMed
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  62. US Food and Drug Administration (FDA). Biktarvy Prescribing Information. October 2024. Available at: https://www.accessdata.fda.gov/drugsatfda_docs/label/2024/210251Orig1s020lbl.pdf. Accessed July 16, 2025.

See these in context on the Calcium 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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