PlainVitamins

8 Hour Grape

by Muscle Feast · powder · 8.8 ozs

  • On the market (NIH)
  • DSLD label 213447
  • Serving 3.25 g (1 Level Scoop)
  • 76 servings

8 Hour Grape by Muscle Feast lists 6 ingredients, 6 with an amount per serving of 3.25 g, such as 830 mg of L-taurine, 830 mg of L-tyrosine, 166 mg of caffeine anhydrous and 8 mg of vitamin B3. Its current label entered the NIH Dietary Supplement Label Database on February 26, 2020.

What is in 8 Hour Grape?

Each row as the label prints it, per serving of 3.25 g. 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).

8 Hour Grape: Supplement Facts rows against the market (DSLD label 213447, January 2026 release)
IngredientAmount% DVAmong products listing it
L-Taurine830 mgTaurine in 8 Hour Grape against 2,337 products830 mg per serving; the middle half of products list 110 mg to 1,000 mg, the median 500 mg.830 mg

Higher than 58% of 2,337 products listing taurine (median 500 mg).

L-Tyrosine830 mgTyrosine in 8 Hour Grape against 1,680 products830 mg per serving; the middle half of products list 150 mg to 989 mg, the median 500 mg.830 mg

Higher than 73% of 1,680 products listing tyrosine (median 500 mg).

Caffeine Anhydrous166 mgCaffeine in 8 Hour Grape against 3,358 products166 mg per serving; the middle half of products list 100 mg to 275 mg, the median 200 mg.166 mg

55% of 3,358 products listing caffeine give more (median 200 mg).

Vitamin B3as Niacin8 mg40%Niacin in 8 Hour Grape against 12,413 products8 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg8 mg

85% of 12,413 products listing niacin give more (median 20 mg).

Vitamin B6as Pyridoxine Hydrochloride8 mg400%Vitamin B6 in 8 Hour Grape against 15,277 products8 mg per serving; the middle half of products list 2 mg to 20 mg, the median 6 mg.DV 1.7 mgUL 100 mg8 mg

Higher than 53% of 15,277 products listing vitamin B6 (median 6 mg).

Vitamin B12as Methylcobalamin16 mcg533%Vitamin B12 in 8 Hour Grape against 14,425 products16 mcg per serving; the middle half of products list 6 mcg to 200 mcg, the median 36 mcg.DV 2.4 mcg16 mcg

61% of 14,425 products listing vitamin B12 give more (median 36 mcg).

Source: NIH ODS Dietary Supplement Label Database, label 213447 (entered February 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?

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?

6 products list the very same ingredients; the nearest amounts come first.

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
As an adult dietary supplement, take one serving (3.25g) in 8 ounces of water to help improve energy and focus.
Mix 1 level (3.25g) scoop with 8 oz. water or beverage of choice.
Warnings
Do not consume more than 3 servings in a 24 hour time period.
Keep out of reach of children.
Do not exceed the recommended dose. Consult your physician before using this product.
Do not use this product if you are pregnant or nursing. Do not use this product if you are taking any prescription medication.
Do not use this product if you are under the age of 18.
Allergies: None
Warning: This product is manufactured in a GMP compliant plant that processes milk.
Storage
Keep tightly closed in a cool, dry place away from sunlight.

Source: label statements in DSLD label 213447.

What else is on the label?

Other ingredients: Natural and Artificial flavoring, Citric Acid, Sucralose.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Made in an FDA Registered Facility GMP Good Manufacturing Practice Product World Anti-Doping Agency SDVOSB Service Distributed Veteran Owned Small Business; Made in the USA.

How many labels does 8 Hour Grape have?

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

  1. Label 213447 (current) Entered February 26, 2020 · on the market · 8.8 ozs

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

Who makes it?

The label names Muscle Feast (manufacturer), Nashport, OH. All Muscle Feast products.

Where next?