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8 Hour Unflavored

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

Caffeine and L-tyrosine have moderate evidence for enhancing cognitive focus and alertness. L-taurine and B-vitamins support cellular energy metabolism and neurological function. Overall, the evidence coverage for this specific combination is limited.

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

Label

Product Label

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

Label Data

1.5 Gram(s)
Serving Size
200
Servings
Other Combinations
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

675 mg
Market median: 500.0mg (180 products) 5 studies (A:0, B:1)
675 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)
6 mg (3% DV)
Within RDA (0.4× RDA) 196 studies (A:5, B:63)
6 mg (30% DV)
4.6× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
12 mcg (300% DV)
5.0× RDA — above typical dose 139 studies (A:1, B:44)

Other Ingredients

None
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As an adult dietary supplement, take one serving (1.5g) in 8 ounces of water to help improve energy and focus. Do not consume more than 3 servings in a 24 hour time period. Mix 1 level (1.5g) scoop with 8 oz. water or beverage of choice.

Warnings & Precautions

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

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.

Gluten free Soy Free Non-GMO

Certified Vegan American Vegetarian Association

Long-lasting energy Improve focus & cognition

Allergies: None.

Additional Information

Made in our GMP Compliant Facility Made in an FDA Registered Facility Certified Vegan AVA American Vegetarian Association

SDVOSB Service Distributed Veteran Owned Small Business

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

Ohio family owned business

Metadata

Product Details

DSLD Entry Date2022-02-23
Product TypeOther Combinations
FormPowder
BrandMuscle Feast
DSLD ID260311
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 →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.