Home/ Supplements/ Taurine/ 8 Hour Grape

8 Hour Grape

product on market Powder Muscle Feast Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · grounded in 1 source · methodology

This formula combines caffeine and L-tyrosine, which have moderate evidence for improving alertness and cognitive performance. L-taurine and B vitamins support cellular energy and metabolic function, though evidence for their acute performance benefits is limited. The ingredient profile maintains a high safety score.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for 8 Hour Grape
Open Full PDF View on NIH DSLD →
Details

Label Data

3.25 Gram(s)
Serving Size
76
Servings
Other Combinations
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

830 mg
Market median: 500.0mg (180 products) 5 studies (A:0, B:1)
830 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Market median: 180.0mg (239 products) 49 studies (A:1, B:19)
8 mg (40% DV)
Within RDA (0.6× RDA) 196 studies (A:5, B:63)
8 mg (400% DV)
6.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
16 mcg (533% DV)
6.7× RDA — above typical dose 139 studies (A:1, B:44)

Other Ingredients

Natural and Artificial flavoring Citric Acid Sucralose
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

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 & Precautions

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.

Formulation Notes

Muscle Feast 8 Hour is unlike other energy drinks that give you jitters followed by sudden crashes, we have formulated 8 Hour with Taurine and tyrosine to offset those burdensome side effects. We have further developed this awesome powder to include the fat burning power of higenamine.

Energy Powder Long-lasting energy/ Improve focus & cognition

Additional Information

Made in an FDA Registered Facility GMP Good Manufacturing Practice Product World Anti-Doping Agency SDVOSB Service Distributed Veteran Owned Small Business

Keep tightly closed in a cool, dry place away from sunlight.

Made in the USA

Metadata

Product Details

DSLD Entry Date2020-02-26
Product TypeOther Combinations
FormPowder
BrandMuscle Feast
DSLD ID213447
Data Updated2026-04-11
Research

Research Evidence

35
Research Sources
47
Avg Quality
14
Rct
13
Clinical Trial
4
Meta Analysis
4
Systematic Review
B Branched-chain amino acid supplementation for improving growth and development in term and preterm neonates
Systematic Review The Cochrane database of systematic reviews 2020 PubMed DOI
B Effect of taurine supplementation on growth and development in preterm or low birth weight infants
Meta Analysis The Cochrane database of systematic reviews 2007 PubMed
B Insights into the cardiovascular benefits of taurine: a systematic review and meta-analysis
Meta Analysis Nutrition journal 2024 PubMed DOI
B The Effects of Oral Taurine on Resting Blood Pressure in Humans: a Meta-Analysis
Meta Analysis Current hypertension reports 2018 PubMed DOI
B Effect of Amino Acid Supplementation on Iron Regulation after Endurance Exercise
Rct Nutrients 2023 PubMed DOI
C The effects of taurine supplementation on obesity, blood pressure and lipid profile: A meta-analysis of randomized controlled trials
Meta Analysis European journal of pharmacology 2020 PubMed DOI
C Effect of taurine administration on symptoms, severity, or clinical outcome of dilated cardiomyopathy and heart failure in humans: a systematic review
Systematic Review Wellcome open research 2022 PubMed DOI
C Attenuating Muscle Damage Biomarkers and Muscle Soreness After an Exercise-Induced Muscle Damage with Branched-Chain Amino Acid (BCAA) Supplementation: A Systematic Review and Meta-analysis with Meta-regression
Systematic Review Sports medicine - open 2024 PubMed DOI
C The Effects of Green Tea Amino Acid L-Theanine Consumption on the Ability to Manage Stress and Anxiety Levels: a Systematic Review
Systematic Review Plant foods for human nutrition (Dordrecht, Netherlands) 2020 PubMed DOI
C Taurine Supplementation Lowers Blood Pressure and Improves Vascular Function in Prehypertension: Randomized, Double-Blind, Placebo-Controlled Study
Rct Hypertension (Dallas, Tex. : 1979) 2016 PubMed DOI
View all evidence for Taurine →
Compare

Similar Products

Taurine Powder
Designs for Health · Powder
100
Pure L-Taurine Free Form Amino Powder
Hard Rhino · Powder
100
Taurine
NOW · Powder
100
L-Taurine
Hard Rhino · Powder
100
L-Taurine
Hard Rhino · Powder
100
View all Taurine products →
Taurine research Best Taurine All Taurine products More from Muscle Feast View on NIH DSLD →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.