Huperzine A 200 mg

by Source Naturals · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 0 21078 01930 5
  • DSLD label 82158
  • Serving 1 tablet

Huperzine A 200 mg by Source Naturals lists one ingredient: 200 mcg of huperzine A per serving of 1 tablet. Its current label entered the NIH Dietary Supplement Label Database on December 22, 2017.

What is in Huperzine A 200 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).

Huperzine A 200 mg: Supplement Facts rows against the market (DSLD label 82158, January 2026 release)
IngredientAmount% DVAmong products listing it
Huperzine Aas Huperzia serrata leaf standardized extract200 mcgHuperzine in Huperzine A 200 mg against 589 products200 mcg per serving; the middle half of products list 50 mcg to 200 mcg, the median 100 mcg.200 mcg

Higher than 63% of 589 products listing huperzine (median 100 mcg). Per day at the most servings: 400 mcg.

Source: NIH ODS Dietary Supplement Label Database, label 82158 (entered December 22, 2017), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.

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?

6 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
Suggested Use: 1 tablet 1 to 2 times daily.
Warnings
Do not use if either tamper-evident seal is broken or missing.
Keep out of the reach of children.
Warning: Do not use this product if you are pregnant, may become pregnant, or are breastfeeding. Consult your doctor before using if you are currently taking any anticholinergic drugs, acetylcholinesterase inhibitors, or cholinergic drugs.
Discontinue Use Or Reduce Dosage And Consult Your Health Care Professional If The Following Symptoms Develop: nausea, vomiting, diarrhea, incontinence, or muscle twitches.
Allergens and what it does not contain
Suitable For Vegetarians And Hypoallergenic: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservative, or artificial color, flavor or fragrance.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 82158.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Stearic Acid.

How many labels does Huperzine A 200 mg have?

One label is on file, entered on December 22, 2017.

  1. Label 82158 (current) Entered December 22, 2017 · on the market · 60 tablets · UPC 0 21078 01930 5

DSLD also links this label to: Huperzine A 200 mcg (package size difference, same product).

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?