PlainVitamins

Pre Workout

by Dyna Storm Nutrition · tablet or pill · 90 tablets

  • Off the market since October 2023 (NIH)
  • DSLD label 239607
  • Serving 3 tablets
  • 30 servings

Pre Workout by Dyna Storm Nutrition lists 12 ingredients, 12 with an amount per serving of 3 tablets, such as 6 mg of vitamin C, 400 IU (10 mcg) of vitamin D, 2 mg of thiamine and 16 mg of niacin. Its current label entered the NIH Dietary Supplement Label Database on December 26, 2020.

What is in Pre Workout?

Each row as the label prints it, per serving of 3 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).

Pre Workout: Supplement Facts rows against the market (DSLD label 239607, January 2026 release)
IngredientAmount% DVAmong products listing it
Vitamin Cas Ascorbic Acid6 mg10%Vitamin C in Pre Workout against 18,583 products6 mg per serving; the middle half of products list 60 mg to 270 mg, the median 100 mg.DV 90 mgUL 2,000 mg6 mg

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

Vitamin Das CholecalciferolVitamin D (Form: as Cholecalciferol)400 IU (10 mcg)100%Vitamin D in Pre Workout against 14,175 products10 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg10 mcg

57% of 14,175 products listing vitamin D give more (median 15 mcg).

Thiamineas Thiamine HydrochlorideThiamin (Form: as Thiamin HCl)2 mg133%Thiamin in Pre Workout against 9,830 products2 mg per serving; the middle half of products list 1.5 mg to 25 mg, the median 5 mg.DV 1.2 mg2 mg

60% of 9,830 products listing thiamin give more (median 5 mg).

Niacinas NiacinamideNiacin (Form: as Niacinamide)16 mg80%Niacin in Pre Workout against 12,413 products16 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg16 mg

68% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine HCl)2 mg100%Vitamin B6 in Pre Workout 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).

Folic Acid100 mcg25%Folate in Pre Workout against 7,022 products100 mcg per serving; the middle half of products list 200 mcg to 400 mcg, the median 400 mcg.100 mcg

86% of 7,022 products listing folate give more (median 400 mcg).

Vitamin B12as CyanocobalaminVitamin B12 (Form: as Cyanocobalamin)10 mcg167%Vitamin B12 in Pre Workout against 14,425 products10 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg10 mcg

67% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Calciumas Calcium CarbonateCalcium (Form: as Calcium Carbonate)10 mg1%Calcium in Pre Workout against 17,831 products10 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg10 mg

96% of 17,831 products listing calcium give more (median 115 mg).

Creatine Monohydrate3 gCreatine in Pre Workout against 1,768 products3 g per serving; the middle half of products list 1.11 g to 5 g, the median 2.5 g.3 g

Higher than 53% of 1,768 products listing creatine (median 2.5 g).

Caffeine Anhydrous100 mgCaffeine in Pre Workout against 3,358 products100 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.100 mg

72% of 3,358 products listing caffeine give more (median 200 mg).

L-Arginineas L-Arginine HydrochlorideL-Arginine (Form: as L-Arginine HCl)75 mgArginine in Pre Workout against 1,455 products75 mg per serving; the middle half of products list 167 mg to 1,000 mg, the median 500 mg.75 mg

84% of 1,455 products listing arginine give more (median 500 mg).

CayenneCayenne PlantPart: fruit Note: 40,000 HU15 mgCapsicum in Pre Workout against 874 products15 mg per serving; the middle half of products list 25 mg to 100 mg, the median 44.5 mg.15 mg

82% of 874 products listing capsicum give more (median 44.5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 239607 (entered December 26, 2020), 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 6 mg of vitamin C (median 100 mg).
  • 86% of the 7,022 products that print an amount of folate list more than its 100 mcg of folic acid (filed by NIH under folate) (median 400 mcg).
  • 96% of the 17,831 products that print an amount of calcium list more than its 10 mg of calcium (median 115 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 Pre Workout'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 for use: (Adults): Take 3 tablets 45-90 minutes before exercising. For optimal results take for at least 4 weeks.
Warnings
Warning: Consult a health care practitioner prior to use if you are pregnant or breastfeeding.
Consult a health care practitioner prior to use if you have a kidney disorder. May result in weight gain. Consult a health care practitioner prior to use if you have high blood pressure, glaucoma, and/or a detrusor instability.
Consumption with natural health products, ephedrine, or other drugs which increase blood pressure is not recommended. Consult a health care practitioner prior to use if you are taking lithium.
Consumption with other caffeine-containing products is not recommended. This product is not intended as a substitute for sleep.
Keep out of the reach of children.
If overdose or accidental ingestions occurs, call a Poison Control Center, immediately. If you have stomach ulcers or inflammation, consult a health care practitioner prior to use. Ensure to drink enough fluid before, during, and after exercise. Hypersensitivity/allergy is known to occur, in which case, discontinue use. If symptoms persist or worsen, consult a health care practitioner. Do not use if safety seal is damaged or missing
Storage
Store in a cool, dry place

Source: label statements in DSLD label 239607.

What else is on the label?

Other ingredients: Microcrystalline Cellulose, Hydroxypropylcellulose, Stearic Acid, Croscarmellose Sodium, Silicon Dioxide, Magnesium Stearate, Ethylcellulose, Triacetin, Macrogol, Di-Acetylated Monoglycerides, Oleic Acid.

How many labels does Pre Workout have?

One label is on file, entered on December 26, 2020.

  1. Label 239607 (current) Entered December 26, 2020 · off the market October 13, 2023 · 90 tablets

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

Who makes it?

The label names Dyna Storm Nutrition (distributor), North Vancouver, BC, Canada. All Dyna Storm Nutrition products.

Where next?