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Dietary supplement

Pregnenolone Ingredients & Drug Interactions

by Core Nutritionals

Pregnenolone label
See full label image
Capsule Category: Non-nutrient/non-botanical
Most serious interaction: Moderate
Clinical methodology reviewed by · Updated Sep 9, 2026 · Label data from the NIH DSLD
What is this page for?

First and foremost: checking Pregnenolone 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

The interaction bottom line Most serious interaction: Moderate

Pregnenolone is a dietary supplement by Core Nutritionals with 1 active ingredient. Its ingredients are commonly taken for memory and cognitive support, anxiety and stress, anti-aging.Based on those ingredients, 82 medications have a known interaction with it, the most serious rated moderate. The ingredients most likely to interact are Pregnenolone. Use the checker below to test your specific medication, or read the full HelloPharmacist Interaction Report.

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Check Your Meds Against Pregnenolone by Core Nutritionals

Ask about any prescription or over-the-counter medication and we check it for interactions with Pregnenolone by Core Nutritionals — and tell you which ingredient is responsible.

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HelloPharmacist Scorecard of Pregnenolone by Core Nutritionals

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

Generated from HelloPharmacist’s pharmacist-curated databases and editorial rules · Last generated Sep 3, 2026

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 1 of its 1 active ingredient.
  • No proprietary blends here — you can verify the dose of every single component.

Pregnenolone by Core Nutritionals contains one active ingredient: pregnenolone, a hormone precursor your body naturally makes. It's packaged in a capsule with inactive ingredients (rice flour, hypromellose, and magnesium stearate) that help form and preserve the tablet.

Does it work?

Couldn't assess
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
Not assessable

This is a single-ingredient Pregnenolone product and its label doesn't state a use — see Pregnenolone's own graded uses on its monograph.

Why this rating?
  • We looked at the product name, claims, and label statements and couldn't find a stated purpose to grade.

The evidence for pregnenolone isn't established in our data. The product facts list effectiveness ratings for several conditions — including alcohol use disorder, Alzheimer disease, autism spectrum disorder, back pain, and bipolar disorder — but all are marked as having insufficient reliable evidence to rate.

That means the science so far isn't strong enough to say whether pregnenolone actually works for these uses.

The evidence, ingredient by ingredient Pregnenolone

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.

Pregnenolone is generally well tolerated when taken by mouth, but it comes with real cautions. Because it's a hormone with limited human safety data, the facts advise using it only under guidance from a healthcare professional.

The most common side effects reported include acne, agitation, diarrhea, drowsiness, excitement, hair loss, sweating, and tremor. Less commonly, skin abscesses, hair loss, and a photosensitivity-like rash (burning sensation on hands and sides) have been reported; the rash cleared on its own.

Some people have also reported depressive mood and increased appetite, though it's unclear if pregnenolone caused these. Pregnancy and breastfeeding safety data aren't on file for pregnenolone.

Because it's a hormone supplement with unknown risks, the facts advise against use during pregnancy and breastfeeding. Talk with your doctor or pharmacist about whether this product is right for you if you're pregnant, planning pregnancy, or nursing.

Side effects, ingredient by ingredient Pregnenolone

Meds to double-check

Moderate interaction found
Known Interaction Concern · database check
Moderate identified

The most serious documented interaction for these ingredients is Moderate. Check your medications for a personalized result.

Why this rating?
  • 1 of the 1 matched ingredient can interact with medications — Pregnenolone.
  • The most serious interaction on file is rated Moderate.
  • For scale: 82 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 Pregnenolone, double-check with your doctor or pharmacist if you take estrogens (including birth control), progestins, progesterone, testosterone, or benzodiazepines. All carry Moderate-severity interaction risks with pregnenolone that could change how your medication works.

Check your own medication Run your meds through the checker above

The bottom line

Scorecard at a glanceFully disclosed formula with no assessable stated purpose. Moderate medication interactions have been identified, and safety information is well characterized.

Pregnenolone is a hormone precursor with interactions involving birth control, hormone therapies, and anxiety medications — so it's not one to start without checking your prescriptions first. The evidence for its effectiveness isn't strong enough to claim it works for the conditions listed.

Because it's a hormone with limited safety data, use it only under your doctor's or pharmacist's guidance.

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 Oct 24, 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

At a glance

General information

Key facts about Pregnenolone, straight from the product label.

Brand Core Nutritionals
Barcode (UPC) 672975315436
Net contents 90 Vegetable Cap(s)
Market status On market
Date entered into DSLD Oct 24, 2023
DSLD ID 298259
Product type Non-nutrient/non-botanical
Supplement form Capsule
Dietary claims / uses All Other, Structure/Function
Intended target group(s) Adult (18 - 50 Years), Women (not pregnant or lactating)
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 Pregnenolone by Core Nutritionals, 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
90
UPC/BARCODE
672975315436
IngredientAmount% DV
Pregnenolone25 mg--

Other ingredients: Rice Flour, Hypromellose, Magnesium Stearate

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

Warning: This product is only intended for use in healthy adults 18 years of age or older.

Pregnant or nursing women should not use this product. Consult your healthcare provider before using this product, especially if you are taking any prescription, over the counter medication, dietary supplement product, or if you have any preexisting medical condition including but not limited to: high or low blood pressure, cardiac arrhythmia, stroke, heart, liver, kidney or thyroid disease, seizure disorder, psychiatric disease, diabetes, difficulty urinating due to prostate enlargement or if you are taking a MAOI (Monoamine Oxidase Inhibitor) or any other medication.

Discontinue use and consult your health care professional if you experience adverse reaction to this product. Discontinue use 2 weeks prior to surgery. Do not exceed recommended serving. Do not use if safety seal is broken or missing.

Warning: This product is only intended for use in healthy adults 18 years of age or older. Keep out of reach of children.

Warning: Consuming this product can expose you to chemicals including lead, which is known to the Sate of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.

Suggested/Recommended/Usage/Directions

Directions: Take 1 capsule daily with or without food.

Storage

Protect from heat, light and moisture. Store at 10-25 Degrees Celsius (50-77 Degrees Fahrenheit)

Brand IP Statement(s)

Crush It!

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.

Formulation

Regulate Balance Focus

Manufactured in a U.S. cGMP Facility.

FDA Statement of Identity

Dietary Supplement

Is this label outdated? Report a formula or label change and our pharmacy team will review it.

See for yourself

Pregnenolone by Core Nutritionals label

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

Pregnenolone label

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)
What’s inside

The Ingredients in Pregnenolone by Core Nutritionals

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

Serving size1 Capsule(s) Dosage formCapsule Servings per container90 Amounts shown are per serving.

Pregnenolone

Interacts with
82 drugs
25 mg per serving

Pregnenolone is a hormone your body makes naturally and a building block for other hormones like cortisol, DHEA, estrogen, and testosterone. It is sol...

Pregnenolone monograph & interactions

Other (inactive) ingredients: Rice Flour, Hypromellose, Magnesium Stearate. These complete the product’s ingredient list but are not active constituents.

Interaction report

Pregnenolone by Core Nutritionals Drug Interactions

Want to check YOUR meds against Pregnenolone?

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
82Drugs
82 Moderate

Ingredients driving the most interactions

Pregnenolone 82

Individual Drug Interactions

The ingredients in Pregnenolone interact with 82 drugs. Click any drug to see the details.

1 of the 1 ingredient in Pregnenolone interact with drugs. Each result below shows which ingredient is responsible. Pregnenolone

Each ingredient & the kinds of drugs it affects

For each ingredient in Pregnenolone 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.

Pregnenolone5 drug types · 82 drugs

Benzodiazepines

Concomitant use of pregnenolone may reduce the effects of benzodiazepines.
Very preliminary clinical research shows that chronic use of pregnenolone reduces sedative effects of diazepam when compared with chronic use of placebo. This effect may be related to the activity of pregnenolone at GABAA receptors.

Likelihood Probable Evidence B
Estrogens

Theoretically, taking pregnenolone might enhance the effects of estrogens.
Pregnenolone is a precursor for several steroid hormones, including estrogens.

Likelihood Possible Evidence D
Progesterone

Theoretically, taking pregnenolone might enhance the effects of progesterone.
In humans, some research shows that oral administration of pregnenolone can increase levels of progesterone. However, other research shows no effect on progesterone levels. It is possible the impact of pregnenolone on progesterone levels may be dose dependent.

Likelihood Possible Evidence D
Progestin

Theoretically, taking pregnenolone might enhance the effects of progestin.
Pregnenolone is a precursor for several steroid hormones, including progestin.

Likelihood Possible Evidence D
Testosterone

Theoretically, taking pregnenolone might enhance the effects of testosterone.
Pregnenolone is a precursor for several steroid hormones, including testosterone. However, preliminary clinical research shows that taking pregnenolone 30-500 mg orally daily for up to 8 weeks does not affect testosterone levels.

Likelihood Possible Evidence D
Pregnenolone full monograph & interactions
The maker

Brand information

Manufacturer and brand details for Pregnenolone, from the product label.

Core Nutritionals

See all Core Nutritionals products
Name
Core Nutritionals, LLC
City
Statesville
State
NC
ZipCode
28625
Phone Number
(888) 978-2332
Web Address
corenutritionals.com
Pharmacist Counseling Corner

Pregnenolone by Core Nutritionals: Common Questions

Does Pregnenolone by Core Nutritionals interact with any medications?
Yes. Based on its ingredients, Pregnenolone has a known interaction with 82 medications. Use the checker to see how it interacts with a specific drug.
How can one product interact with so many drugs?
Pregnenolone 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 pregnenolone?
Pregnenolone is a hormone that your body makes naturally. It's a precursor — a building block — that your body converts into other steroid hormones like estrogen, progesterone, and testosterone. This supplement provides pregnenolone in capsule form.
Can I take pregnenolone if I'm on birth control?
Not without checking first. Pregnenolone may enhance the effects of estrogens in birth control, and the interaction is rated Moderate. Talk with your doctor or pharmacist before combining them.
Does pregnenolone actually work for Alzheimer's disease or bipolar disorder?
The evidence isn't strong enough yet. Our data shows insufficient reliable evidence to rate pregnenolone for those conditions, so we can't say whether it works.
What side effects might I experience?
The most common are acne, agitation, diarrhea, drowsiness, excitement, hair loss, sweating, and tremor. Less often, skin abscesses, a rash with burning on the hands, depressive mood, and appetite changes have been reported.
Is pregnenolone safe during pregnancy or breastfeeding?
No safety data is on file for either pregnancy or breastfeeding. Because pregnenolone is a hormone supplement with unknown risks, it's advised against during pregnancy and while nursing. Talk with your doctor or pharmacist for personalized guidance.
Do I need a prescription for pregnenolone?
Pregnenolone is sold as a supplement and doesn't require a prescription. However, because it's a hormone with limited safety data, the facts advise using it only under guidance from a healthcare professional.

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

Not sure if Pregnenolone is safe with your meds?

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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.

Pregnenolone label
Go deeper

The Full Monographs Behind Pregnenolone’s Ingredients

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

Herb & supplement monograph

Pregnenolone

Interacts with 82 drugs

Pregnenolone is a hormone your body makes naturally and a building block for other hormones like cortisol, DHEA, estrogen, and testosterone. It is sold as a supplement for memory, mood, and...

Read the full Pregnenolone monograph →
Sources

Sources & How We Checked

Pregnenolone'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 6 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.

Pregnenolone 6 references
  1. Devlin TM, ed. Textbook of Biochemistry With Clinical Correlations. third ed. New York: Wiley-Liss Inc., 1992.
  2. Fung LK, Libove RA, Phillips J, Haddad F, Hardan AY.Brief report: an open-label study of the neurosteroid pregnenolone in adults with autism spectrum disorder. J Autism Dev Disord 2014;44(11):2971-7. PubMed
  3. Brown ES, Park J, Marx CE, et al. A randomized, double-blind, placebo-controlled trial of pregnenolone for bipolar depression. Neuropsychopharmacology 2014;39(12):2867-73. PubMed
  4. Ritsner MS, Gibel A, Shleifer T, et al. Pregnenolone and dehydroepiandrosterone as an adjunctive treatment in schizophrenia and schizoaffective disorder: an 8-week, double-blind, randomized, controlled, 2-center, parallel-group trial. J Clin Psychiatry 20 PubMed
  5. Meieran SE, Reus VI, Webster R, Shafton R, Wolkowitz OM. Chronic pregnenolone effects in normal humans: attenuation of benzodiazepine-induced sedation. Psychoneuroendocrinology 2004;29(4):486-500. PubMed
  6. Marx CE, Keefe RS, Buchanan RW, et al. Proof-of-concept trial with the neurosteroid pregnenolone targeting cognitive and negative symptoms in schizophrenia. Neuropsychopharmacology 2009;34(8):1885-903. PubMed

See these in context on the Pregnenolone 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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