PlainVitamins

Brain Flex

by Highland Laboratories · tablet or pill · 30 vegetarian tablets

  • On the market (NIH)
  • UPC 7 68305 11853 9
  • DSLD label 79949
  • Serving 1 to 2 vegetarian tablets; amounts per 1 vegetarian tablet

Brain Flex by Highland Laboratories lists 22 ingredients, 22 with an amount per serving of 1 vegetarian tablet, such as 5 mg of vitamin C, 50 mcg of folic acid, 50 mcg of vitamin B12 and 75 mg of L-glutamine. Its current label entered the NIH Dietary Supplement Label Database on November 20, 2017.

What is in Brain Flex?

Each row as the label prints it, per serving of 1 vegetarian 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).

Brain Flex: Supplement Facts rows against the market (DSLD label 79949, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin C5 mg8%Vitamin C in Brain Flex against 18,583 products5 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg5 mg

97% of 18,583 products listing vitamin C give more (median 100 mg).

Ascorbyl Palmitate12.5 mg
Folic Acid50 mcg12%Folate in Brain Flex against 7,022 products50 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.50 mcg

94% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as DibencozideVitamin B12 (Form: as 100% Dibencozide)50 mcg833%Vitamin B12 in Brain Flex against 14,425 products50 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg50 mcg

Higher than 51% of 14,425 products listing vitamin B12 (median 36 mcg).

L-Glutamine75 mgGlutamine in Brain Flex against 1,850 products0.075 g per serving; the middle half of products list 0.356 g to 3 g, the median 1 g.0.075 g

91% of 1,850 products listing glutamine give more (median 1 g).

Acetyl-L-Carnitine50 mgAcetyl L-Carnitine in Brain Flex against 933 products50 mg per serving; the middle half of products list 200 mg to 525 mg, the median 500 mg.50 mg

87% of 933 products listing acetyl L-carnitine give more (median 500 mg).

Dmae50 mgDeanol in Brain Flex against 365 products50 mg per serving; the middle half of products list 50 mg to 150 mg, the median 100 mg.50 mg

57% of 365 products listing deanol give more (median 100 mg).

Ginkgo biloba standardized extractas Ginkgoflavonglycosides, Terpene LactonesGinkgo biloba standardized extract (Form: 24% Ginkgoflavonglycosides, and 6% Terpene Lactones) Genus: Ginkgo Species: biloba50 mgGinkgo in Brain Flex 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).

L-Pyroglutamate50 mgArginine pyroglutamate in Brain Flex against 33 products0.05 g per serving; the middle half of products list 0.2 g to 1.2 g, the median 1 g.0.05 g

94% of 33 products listing arginine pyroglutamate give more (median 1 g).

Cholineas Choline BitartrateCholine (Form: from Choline Bitartrate)35 mg6%*Choline in Brain Flex against 4,738 products35 mg per serving; the middle half of products list 18 mg to 100 mg, the median 40 mg.DV 550 mgUL 3,500 mg35 mg

51% of 4,738 products listing choline give more (median 40 mg).

Gotu Kola extractas AsiaticosidesGotu Kola extract (Form: standardized to 10% Asiaticosides) Species: Centella SubSpecies: asiatica25 mgGotu Kola in Brain Flex against 393 products25 mg per serving; the middle half of products list 50 mg to 225 mg, the median 100 mg.25 mg

88% of 393 products listing gotu kola give more (median 100 mg).

Hawthorn25 mgHawthorn in Brain Flex against 589 products25 mg per serving; the middle half of products list 75 mg to 400 mg, the median 200 mg.25 mg

92% of 589 products listing hawthorn give more (median 200 mg).

Korean Red Ginseng25 mgOriental Ginseng in Brain Flex against 706 products25 mg per serving; the middle half of products list 30 mg to 200 mg, the median 90 mg.25 mg

77% of 706 products listing oriental ginseng give more (median 90 mg).

L-Taurine25 mgTaurine in Brain Flex against 2,337 products25 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.25 mg

94% of 2,337 products listing taurine give more (median 500 mg).

Royal Jellyas 10-Hydroxy-2-decenoic AcidRoyal Jelly (Form: contains minimum 1.6% 10-Hydroxy-2-Decenoic Acid)25 mgRoyal Jelly in Brain Flex against 242 products25 mg per serving; the middle half of products list 20 mg to 472.5 mg, the median 100 mg.25 mg

69% of 242 products listing royal jelly give more (median 100 mg).

Eleutherococcus senticosus root 50:1 extract25 mgEleuthero in Brain Flex against 726 products25 mg per serving; the middle half of products list 50 mg to 200 mg, the median 100 mg.25 mg

85% of 726 products listing eleuthero give more (median 100 mg).

Phosphatidyl Cholineas Soybean LecithinPhosphatidyl Choline (Form: from Soybean Lecithin)25 mgPhosphatidylcholine in Brain Flex against 403 products25 mg per serving; the middle half of products list 35 mg to 420 mg, the median 120 mg.25 mg

80% of 403 products listing phosphatidylcholine give more (median 120 mg).

Phosphatidyl Serine15 mgPhosphatidylserine in Brain Flex against 641 products15 mg per serving; the middle half of products list 50 mg to 150 mg, the median 100 mg.15 mg

88% of 641 products listing phosphatidylserine give more (median 100 mg).

Coenzyme Q1010 mgCoenzyme Q-10 in Brain Flex against 2,922 products10 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.10 mg

85% of 2,922 products listing coenzyme Q-10 give more (median 60 mg).

L-Serine5 mgSerine in Brain Flex against 314 products5 mg per serving; the middle half of products list 100 mg to 1,056 mg, the median 408 mg.5 mg

99% of 314 products listing serine give more (median 408 mg).

Ginger3 mgGinger in Brain Flex against 1,770 products3 mg per serving; the middle half of products list 25 mg to 150 mg, the median 60 mg.3 mg

96% of 1,770 products listing ginger give more (median 60 mg).

Bioperine1 mgBlack Pepper in Brain Flex against 2,363 products1 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.1 mg

97% of 2,363 products listing black pepper give more (median 5 mg).

* % 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 79949 (entered November 20, 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?

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:

  • 97% of the 18,583 products that print an amount of vitamin C list more than its 5 mg of vitamin C (median 100 mg).
  • 94% of the 7,022 products that print an amount of folate list more than its 50 mcg of folic acid (filed by NIH under folate) (median 400 mcg).
  • 91% of the 1,850 products that print an amount of glutamine list more than its 0.075 g of L-glutamine (filed by NIH under glutamine) (median 1 g).
  • 87% of the 933 products that print an amount of acetyl L-carnitine list more than its 50 mg of acetyl-L-carnitine (filed by NIH under acetyl L-carnitine) (median 500 mg).
  • 94% of the 33 products that print an amount of arginine pyroglutamate list more than its 0.05 g of L-pyroglutamate (filed by NIH under arginine pyroglutamate) (median 1 g).
  • 88% of the 393 products that print an amount of gotu kola list more than its 25 mg of gotu kola (median 100 mg).

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 Brain Flex'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
One to two tablets daily, as a dietary supplement.
Warnings
Contains soy, from lecithin.
Allergens and what it does not contain
No salt, yeast, gluten, milk & egg products, sucrose, starch or preservatives.

Source: label statements in DSLD label 79949.

What else is on the label?

Other ingredients: Cellulose, Calcium Phosphate, Fructose, Vegetable Stearate, Orange, Magnesium Stearate, Silica, Nicotinate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Quality Assured Earth Friendly.

How many labels does Brain Flex have?

One label is on file, entered on November 20, 2017.

  1. Label 79949 (current) Entered November 20, 2017 · on the market · 30 vegetarian tablets · UPC 7 68305 11853 9

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

Who makes it?

The label names Highland Laboratories (manufacturer). All Highland Laboratories products.

Where next?