PlainVitamins

Cognisyl Premium

by Premium Certified · capsule · 60 veggie capsules

  • Off the market since March 2025 (NIH)
  • UPC 6 85256 20608 8
  • DSLD label 248588
  • Serving 2 capsules
  • 30 servings

Cognisyl Premium by Premium Certified lists 19 ingredients, 19 with an amount per serving of 2 capsules, such as 75 mg of magnesium, 20 mg of vitamin B6, 10 mg of vitamin B1 and 10 mg of vitamin B2. Its current label entered the NIH Dietary Supplement Label Database on July 27, 2021.

What is in Cognisyl Premium?

Each row as the label prints it, per serving of 2 capsules. 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).

Cognisyl Premium: Supplement Facts rows against the market (DSLD label 248588, January 2026 release)
IngredientAmount% DVAmong products listing it
Magnesiumas Magnesium Oxide75 mg18%Magnesium in Cognisyl Premium against 14,003 products75 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg75 mg

52% of 14,003 products listing magnesium give more (median 86 mg).

Vitamin B620 mg1,000%Vitamin B6 in Cognisyl Premium against 15,277 products20 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg20 mg

Higher than 71% of 15,277 products listing vitamin B6 (median 6 mg).

Vitamin B1as Thiamine10 mg668%Thiamin in Cognisyl Premium against 9,830 products10 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg10 mg

Higher than 59% of 9,830 products listing thiamin (median 5 mg).

Vitamin B2as Riboflavin10 mg588%Riboflavin in Cognisyl Premium against 9,824 products10 mg per serving; the middle half of products list 1.7 mg to 25 mg, the median 4 mg.DV 1.3 mg10 mg

Higher than 61% of 9,824 products listing riboflavin (median 4 mg).

Vitamin B3as NiacinVitamin B3 (Form: as Niacin)10 mg50%Niacin in Cognisyl Premium against 12,413 products10 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg10 mg

77% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B12500 mcg8,334%Vitamin B12 in Cognisyl Premium against 14,425 products500 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg500 mcg

Higher than 82% of 14,425 products listing vitamin B12 (median 36 mcg).

St. John's Wort200 mgSt. John's Wort in Cognisyl Premium against 338 products200 mg per serving; the middle half of products list 250 mg to 450 mg, the median 300 mg.200 mg

76% of 338 products listing St. John's wort give more (median 300 mg).

L-Tyrosine200 mgTyrosine in Cognisyl Premium against 1,680 products200 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.200 mg

69% of 1,680 products listing tyrosine give more (median 500 mg).

Glutamineas L-Glutamine Hydrochloride200 mgGlutamine in Cognisyl Premium against 1,850 products0.2 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.2 g

80% of 1,850 products listing glutamine give more (median 1 g).

Phosphatidylserine Complex150 mgPhosphatidylserine in Cognisyl Premium against 641 products150 mg per serving; the middle half of products list 50 mg to 150 mg, the median 100 mg.150 mg

Higher than 74% of 641 products listing phosphatidylserine (median 100 mg).

Choline Bitartrate120 mg22%*Choline in Cognisyl Premium against 4,738 products120 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg120 mg

Higher than 81% of 4,738 products listing choline (median 40 mg).

Brahmi100 mgBacopa in Cognisyl Premium against 481 products100 mg per serving; the middle half of products list 100 mg to 300 mg, the median 200 mg.100 mg

64% of 481 products listing bacopa give more (median 200 mg).

DMAE Bitartrate100 mgDeanol in Cognisyl Premium against 365 products100 mg per serving; the middle half of products list 50 mg to 150 mg, the median 100 mg.100 mg

29% of 365 products listing deanol give more (median 100 mg).

Acetyl-L-Carnitine100 mgAcetyl L-Carnitine in Cognisyl Premium against 933 products100 mg per serving; the middle half of products list 200 mg to 525 mg, the median 500 mg.100 mg

80% of 933 products listing acetyl L-carnitine give more (median 500 mg).

L-Theanine100 mgTheanine in Cognisyl Premium against 1,602 products100 mg per serving; the middle half of products list 90 mg to 200 mg, the median 100 mg.100 mg

47% of 1,602 products listing theanine give more (median 100 mg).

Guarana60 mgGuarana in Cognisyl Premium against 317 products60 mg per serving; the middle half of products list 50 mg to 300 mg, the median 125 mg.60 mg

69% of 317 products listing guarana give more (median 125 mg).

Alpha Lipoic Acid50 mgAlpha Lipoic Acid in Cognisyl Premium against 2,407 products50 mg per serving; the middle half of products list 25 mg to 150 mg, the median 50 mg.50 mg

47% of 2,407 products listing alpha lipoic acid give more (median 50 mg).

Ginkgo biloba50 mgGinkgo in Cognisyl Premium against 1,339 products50 mg per serving; the middle half of products list 30 mg to 120 mg, the median 60 mg.50 mg

61% of 1,339 products listing ginkgo give more (median 60 mg).

Huperzine A400 mcgHuperzine in Cognisyl Premium against 589 products400 mcg per serving; the middle half of products list 50 mcg to 200 mcg, the median 100 mcg.400 mcg

Higher than 86% of 589 products listing huperzine (median 100 mcg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 248588 (entered July 27, 2021), 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 one serving 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?

The products whose ingredient lists overlap most with Cognisyl Premium's, rare ingredients counting for more.

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: As a dietary supplement, take two capsules a day. For best results, take one in the morning and one in the afternoon.
Warnings
Warning: Pregnant or nursing mothers, children under the age of 18, and individuals with a known medical condition, should consult with a physician before taking this or any other dietary supplement.
Keep out of the reach of children.
Do not use this product if outer seal around cap is missing or broken.
Allergens and what it does not contain
Absolutely no added fillers or binders. Other ingredients needed to make capsule only.
Storage
Store at room temperature.

Source: label statements in DSLD label 248588.

What else is on the label?

Other ingredients: vegetarian Cellulose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made In USA Not Tested On Animals.

How many labels does Cognisyl Premium have?

One label is on file, entered on July 27, 2021.

  1. Label 248588 (current) Entered July 27, 2021 · off the market March 4, 2025 · 60 veggie capsules · UPC 6 85256 20608 8

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

Who makes it?

The label names Cognisyl (distributor), Northbrook, IL. All Premium Certified products.

Where next?