Pregnenolone 25 mg

by Source Naturals · tablet or pill · 120 tablets

  • On the market (NIH)
  • UPC 0 21078 00678 7
  • DSLD label 275398
  • Serving 1 tablet
  • 120 servings

Pregnenolone 25 mg by Source Naturals lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 10 mg of vitamin C and 25 mg of pregnenolone. Its current label entered the NIH Dietary Supplement Label Database on October 24, 2022.

What is in Pregnenolone 25 mg?

Each row as the label prints it, per serving of 1 tablet. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).

Pregnenolone 25 mg: Supplement Facts rows against the market (DSLD label 275398, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbyl Palmitate10 mg12%Vitamin C in Pregnenolone 25 mg against 18,583 products10 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg10 mg

95% of 18,583 products listing vitamin C give more (median 100 mg). Per day at the most servings: 20 mg.

Pregnenolone25 mgPregnenolone in Pregnenolone 25 mg against 142 products25 mg per serving; the middle half of products list 10 mg to 50 mg, the median 25 mg.25 mg

44% of 142 products listing pregnenolone give more (median 25 mg). Per day at the most servings: 50 mg.

Source: NIH ODS Dietary Supplement Label Database, label 275398 (entered October 24, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • 95% of the 18,583 products that print an amount of vitamin C list more than its 10 mg of vitamin C (median 100 mg).

The NIH database records 1 to 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.

The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.

Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.

Which products have the closest formulas?

3 products list the very same ingredients; the nearest amounts come first.

Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.

What does the label say about taking it?

Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.

Directions
Directions: 1 tablet 1 to 2 times daily. 1/2 tablet may be sufficient for some people. Do not exceed 50 mg per day. Do not take for more than 30 days. Have your blood hormone (estrogen, testosterone, DHEA) levels regularly assessed by your physician. Using pregnenolone may elevate your DHEA levels, and DHEA can increase estrogen and testosterone levels. Read entire label before using.
Warnings
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Warning: Not for use by individuals under the age of 18 years.
Do not use if pregnant, may become pregnant, or breastfeeding. Consult a physician or licensed qualified health care professional before using this product if you have, or have a family history of, prostate cancer, prostate enlargement, heart disease, low "good" cholesterol (HDL), or if you are using any other dietary supplement, prescription drug, or over-the-counter drug.
Do not exceed recommended serving. Exceeding recommended serving may cause serious adverse health effects. Possible side effects include acne, hair loss, hair growth on the face (in women), aggressiveness, irritability, and increased levels of estrogen. Discontinue use and call a physician or licensed qualified health care professional immediately if you experience rapid heartbeat, dizziness, blurred vision, or other similar symptoms.
Do not exceed 50 mg per day. Do not take for more than 30 days. Have your blood hormone (estrogen, testosterone, DHEA) levels regularly assessed by your physician.

Source: label statements in DSLD label 275398.

What else is on the label?

Other ingredients: Dibasic Calcium Phosphate, Microcrystalline Cellulose, Sorbitol, Stearic Acid, Silica, Magnesium Stearate.

How many labels does Pregnenolone 25 mg have?

2 labels are on file under this name since October 24, 2022: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 296155 Entered August 23, 2023 · off the market July 6, 2022 · 120 tablets · UPC 0 21078 00678 7
  2. Label 275398 (current) Entered October 24, 2022 · on the market · 120 tablets · UPC 0 21078 00678 7

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Source Naturals, Inc. (distributor), Santa Cruz, CA. All Source Naturals products.

Where next?