PlainVitamins

Sustained Energy

by NOW Sports · capsule · 90 capsules

  • On the market (NIH)
  • UPC 7 33739 01995 0
  • DSLD label 335362
  • Serving 2 capsules
  • 45 servings

Sustained Energy by NOW Sports lists 18 ingredients, 18 with an amount per serving of 2 capsules, such as 10 mg of thiamine, 10 mg of riboflavin, 20 mg of niacin and 10 mg of vitamin B6. Its current label entered the NIH Dietary Supplement Label Database on September 25, 2025.

What is in Sustained Energy?

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).

Sustained Energy: Supplement Facts rows against the market (DSLD label 335362, January 2026 release)
IngredientAmount% DVAmong products listing it
Thiamineas Thiamine Hydrochloride, Vitamin B110 mg833%Thiamin in Sustained Energy 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).

Riboflavinas Vitamin B210 mg769%Riboflavin in Sustained Energy 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).

Niacinas Vitamin B320 mg125%Niacin in Sustained Energy 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 Hydrochloride10 mg588%Vitamin B6 in Sustained Energy against 15,277 products10 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg10 mg

Higher than 55% of 15,277 products listing vitamin B6 (median 6 mg).

Folate680 mcg DFE170%
Folic Acid400 mcg
Vitamin B12as Methylcobalamin1,000 mcg41,667%Vitamin B12 in Sustained Energy against 14,425 products1,000 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg1,000 mcg

Higher than 89% of 14,425 products listing vitamin B12 (median 36 mcg).

Pantothenic Acidas Calcium Pantothenate20 mg400%Pantothenic Acid (Vitamin B5) in Sustained Energy against 10,060 products20 mg per serving; the middle half of products list 6 mg to 50 mg, the median 12 mg.DV 5 mg20 mg

Higher than 55% of 10,060 products listing pantothenic acid (vitamin B5) (median 12 mg).

Iodineas Potassium Iodide150 mcg100%Iodine in Sustained Energy against 6,382 products150 mcg per serving; the middle half of products list 75 mcg to 150 mcg, the median 150 mcg.DV 150 mcgUL 1,100 mcg150 mcg

15% of 6,382 products listing iodine give more (median 150 mcg).

Magnesiumas Magnesium Malate15 mg4%Magnesium in Sustained Energy against 14,003 products15 mg per serving; the middle half of products list 30 mg to 200 mg, the median 86 mg.UL 350 mgDV 420 mg15 mg

87% of 14,003 products listing magnesium give more (median 86 mg).

Chromiumas Albion Chromium Nicotinate Glycinate200 mcg571%Chromium in Sustained Energy against 7,825 products200 mcg per serving; the middle half of products list 45 mcg to 200 mcg, the median 100 mcg.DV 35 mcg200 mcg

Higher than 72% of 7,825 products listing chromium (median 100 mcg).

Total Caffeineas Green Coffee Beans120 mgCaffeine in Sustained Energy against 3,358 products120 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.120 mg

70% of 3,358 products listing caffeine give more (median 200 mg).

Xtenergy Sustained Release Caffeine Complex100 mg
Caffeine, Powder60 mg
TaurineFree-form250 mgTaurine in Sustained Energy against 2,337 products250 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.250 mg

62% of 2,337 products listing taurine give more (median 500 mg).

L-TyrosineFree-form250 mgTyrosine in Sustained Energy against 1,680 products250 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.250 mg

64% of 1,680 products listing tyrosine give more (median 500 mg).

Carnipureas L-Carnitine250 mgL-Carnitine in Sustained Energy against 1,338 products250 mg per serving; the middle half of products list 110.5 mg to 1,000 mg, the median 500 mg.250 mg

61% of 1,338 products listing L-carnitine give more (median 500 mg).

L-CitrullineFree-form100 mgCitrulline in Sustained Energy against 1,209 products0.1 g per serving; the middle half of products list 1 g to 5 g, the median 3 g.0.1 g

96% of 1,209 products listing citrulline give more (median 3 g).

Coenzyme Q-10as Ubiquinone30 mgCoenzyme Q-10 in Sustained Energy against 2,922 products30 mg per serving; the middle half of products list 30 mg to 100 mg, the median 60 mg.30 mg

67% of 2,922 products listing coenzyme Q-10 give more (median 60 mg).

Source: NIH ODS Dietary Supplement Label Database, label 335362 (entered September 25, 2025), 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:

  • 96% of the 1,209 products that print an amount of citrulline list more than its 0.1 g of L-citrulline (filed by NIH under citrulline) (median 3 g).

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 Sustained Energy'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 usage: Take 2 capsules daily with 8-12 oz. of water, preferably with a meal. Do not exceed recommended dose.
Warnings
Do not exceed recommended dose.
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients. Produced in a GMP facility that processes other ingredients containing these allergens.
Caution: For adults only. Keep out of reach of children.
Do not exceed recommended dose. Discontinue use if nervousness, sleeplessness or nausea occur.
Consult physician if pregnant/nursing, taking medication, or have a medical condition.
This product has approx. 120 mg of immediate and sustained release caffeine per serving (equivalent to about 1 1/4 cups of coffee).
Allergens and what it does not contain
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish, tree nut or sesame ingredients.
Steroid tested Non-GMO
Storage
Store in a cool, dry, dark place after opening.

Source: label statements in DSLD label 335362.

What else is on the label?

Other ingredients: Hypromellose, Stearic Acid, Silicon Dioxide, Maltodextrin, Microcrystalline Cellulose, Pharmaceutical Glaze, Hypromellose.

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

How many labels does Sustained Energy have?

2 labels are on file under this name since March 22, 2024: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 335362 (current) Entered September 25, 2025 · on the market · 90 capsules · UPC 7 33739 01995 0
  2. Label 307923 Entered March 22, 2024 · off the market January 21, 2025 · 90 veg capsules · UPC 7 33739 01995 0

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

Who makes it?

The label names NOW FOODS (manufacturer), Bloomingdale, IL. All NOW Sports products.

Where next?