PlainVitamins

Memory Complex

by Natrol · tablet or pill · 60 tablets

  • On the market (NIH)
  • UPC 0 47469 07797 6
  • DSLD label 274822
  • Serving 2 tablets
  • 30 servings

Memory Complex by Natrol lists 13 ingredients, 13 with an amount per serving of 2 tablets, such as 1.5 mg of thiamine, 20 mg of vitamin B3, 2 mg of vitamin B6 and 680 mcg DFE of folate. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in Memory Complex?

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

Memory Complex: Supplement Facts rows against the market (DSLD label 274822, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Hydrochloride1.5 mg125%Thiamin in Memory Complex against 9,830 products1.5 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg1.5 mg

66% of 9,830 products listing thiamin give more (median 5 mg).

Vitamin B3as Niacinamide20 mg125%Niacin in Memory Complex against 12,413 products20 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg20 mg

46% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine Hydrochloride2 mg117%Vitamin B6 in Memory Complex against 15,277 products2 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg2 mg

69% of 15,277 products listing vitamin B6 give more (median 6 mg).

Folate680 mcg DFE170%
Folic Acid400 mcg
Vitamin B12as Cyanocobalamin6 mcg250%Vitamin B12 in Memory Complex against 14,425 products6 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg6 mcg

74% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Calciumas Dibasic Calcium Phosphate192 mg15%Calcium in Memory Complex against 17,831 products192 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg192 mg

Higher than 63% of 17,831 products listing calcium (median 115 mg).

Phosphorusas Dibasic Calcium Phosphate148 mg12%Phosphorus in Memory Complex against 3,786 products148 mg per serving; the middle half of products list 45 mg to 200 mg, the median 90 mg.DV 1,250 mgUL 4,000 mg148 mg

Higher than 67% of 3,786 products listing phosphorus (median 90 mg).

Bacopa monnieri Aerial Parts Extractas Triterpene Glycosidesstandardized to contain 27% Triterpene Glycosides300 mgBacopa in Memory Complex against 481 products300 mg per serving; the middle half of products list 100 mg to 300 mg, the median 200 mg.300 mg

Higher than 62% of 481 products listing bacopa (median 200 mg).

Ginkgo biloba Leaf Extractas Ginkgo Flavone Glycosides, Terpene Lactonesstandardized to contain 24% Ginkgo Flavone Glycosides and 6% Terpene Lactones120 mgGinkgo in Memory Complex against 1,339 products120 mg per serving; the middle half of products list 30 mg to 120 mg, the median 60 mg.120 mg

Higher than 65% of 1,339 products listing ginkgo (median 60 mg).

Phosphatidylserine Powder10 mgPhosphatidylserine in Memory Complex against 641 products10 mg per serving; the middle half of products list 50 mg to 150 mg, the median 100 mg.10 mg

91% of 641 products listing phosphatidylserine give more (median 100 mg).

Toothed Clubmoss Extract500 mcgChinese Club Moss in Memory Complex against 164 products0.5 mg per serving; the middle half of products list 2 mg to 10 mg, the median 10 mg.0.5 mg

79% of 164 products listing chinese club moss give more (median 10 mg).

Huperzine A5 mcgHuperzine in Memory Complex against 589 products5 mcg per serving; the middle half of products list 50 mcg to 200 mcg, the median 100 mcg.5 mcg

over 99% of 589 products listing huperzine give more (median 100 mcg).

Source: NIH ODS Dietary Supplement Label Database, label 274822 (entered November 22, 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:

  • 91% of the 641 products that print an amount of phosphatidylserine list more than its 10 mg of phosphatidylserine (median 100 mg).
  • over 99% of the 589 products that print an amount of huperzine list more than its 5 mcg of huperzine (median 100 mcg).

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 Memory Complex'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
Directions: Take 2 tablets, one time daily, with a meal.
Warnings
Contains: Soy
Warning: Consult your healthcare professional prior to use if you have or suspect a medical condition, are taking prescription drugs, or are pregnant or lactating.
Keep out of reach of children.
Allergens and what it does not contain
No: Milk, egg, fish, crustacean shellfish, tree nuts, peanuts, wheat, yeast, artificial colors or flavors, added sugar or preservatives.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 274822.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Cellulose Gum, Stearic Acid, Magnesium Stearate, Silicon Dioxide, Methylcellulose, Dicalcium Phosphate, Maltodextrin, Glycerin, Hypromellose.

How many labels does Memory Complex have?

4 labels are on file under this name since January 25, 2016: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 274822 (current) Entered November 22, 2022 · on the market · 60 tablets · UPC 0 47469 07797 6
  2. Label 202919 Entered May 28, 2019 · on the market · 60 tablets · UPC 0 47469 00893 2
  3. Label 77942 Entered September 21, 2017 · off the market November 2, 2018 · 60 tablets · UPC 0 47469 00893 2
  4. Label 55921 Entered January 25, 2016 · off the market June 26, 2017 · 60 tablets · UPC 0 47469 00893 2

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

Who makes it?

The label names Natrol LLC (manufacturer), Chatsworth, CA. All Natrol products.

Where next?