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Male Fuel

product on market Tablet or Pill Twinlab Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 73% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

✨ AI-generated · Qwen 3.6 · methodology

This formula contains B vitamins, zinc, and vitamin E, which support energy metabolism and cellular antioxidant defense. There is strong evidence for the roles of zinc and B vitamins in maintaining general metabolic function. However, the overall evidence coverage for this specific ingredient combination is limited.

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

Label

Product Label

Label for Male Fuel
Open Full PDF View on NIH DSLD →
Details

Label Data

3 Capsule(s)
Serving Size
40
Servings
Botanical with Nutrients
Product Type
73%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

200 IU (667% DV)
8.9× RDA — above typical dose (UL: 1000 mg) 179 studies (A:3, B:90)
25 mg (1250% DV)
19.2× RDA — above typical dose (UL: 100 mg) 114 studies (A:3, B:35)
50 mg (500% DV)
10.0× RDA — above typical dose 2 studies — no high-quality reviews
15 mg (100% DV)
1.4× RDA — within safe limits 263 studies (A:6, B:134)
Within RDA (0.2× RDA) 38 studies (A:1, B:7)
Market median: 4002.0mg (1 products) 21 studies (A:0, B:2)
50 mg
Market median: 500.0mg (223 products) 24 studies (A:0, B:1)
Yohimbe bark extract
400 mg
Market median: 120.0mg (440 products) 191 studies (A:1, B:71)
Plant Sterol concentrate
60 mg
Market median: 320.0mg (426 products) 26 studies (A:0, B:5)

Other Ingredients

Gelatin Magnesium Stearate Medium Chain Triglycerides Silica
Claims

Label Claims — Verification

Unverified Nutrient
Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

DIRECTIONS ~ Men, take 6 capsules daily, preferably 3 capsules during the daytime, and 3 capsules 60 minutes before bedtime. Do not exceed 6 capsules daily. Taking more than the recommended amount will not improve results and may cause adverse reactions listed in the warning. Begin use with half the recommended serving (3 capsules daily) to assess your tolerance.

Warnings & Precautions

Do not exceed 6 capsules daily. Taking more than the recommended amount will not improve results and may cause adverse reactions listed in the warning. Begin use with half the recommended serving (3 capsules daily) to assess your tolerance.

Not for use by children under the age of 18, geriatric patients or females

Not for use by children under the age of 18, geriatric patients or females

Not for excessive or long term use. Do not exceed recommended servings. Do not use if you are at risk of, or being treated for, conditions such as chronic inflammation of the sexual organs or prostate gland, blood pressure, liver, kidney, heart, diabetes, seizure disorder, anxiety, depression or psychiatric disorders.

Consult a health care professional before use if you are taking any antidepressants, MAO inhibitors, or other prescription drugs. Discontinue use and consult a health care professional if you experience dizziness, sleeplessness, tremors, anxiety or heart palpitations.

KEEP OUT OF REACH OF CHILDREN

Contains soy.

Formulation Notes

> Scientifically advanced male formula

> Yohimbine bark extract standardized for 2% Yohimbine Alkaloids > Ginkgo Biloba standardized for 24% Flavone Glycosides > High quality Saw Palmetto Berry Extract

WARNING ~ This product contains yohimbe bark extract which contains yohimbine.

8.0 mg PER SERVING 2% STANDARDIZED YOHIMBINE

Contains soy.

Additional Information

facebook.com/twinlabfuel

BEST IF USED BY DATE SHOWN ON BOTTLE.

STORE IN A COOL, DRY PLACE.

> ENERGY* <

2022711

Metadata

Product Details

DSLD Entry Date2015-05-22
Product TypeBotanical with Nutrients
FormTablet or Pill
BrandTwinlab
DSLD ID43938
Data Updated2026-04-11
Research

Research Evidence

253
Research Sources
55
Avg Quality
128
Meta Analysis
52
Systematic Review
41
Rct
24
Clinical Trial
3
Regulatory Source
1
Narrative Review
1
Other
1
Guideline
1
Openfda Safety
A Vitamin E supplementation in pregnancy
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin E for Alzheimer's dementia and mild cognitive impairment
Systematic Review The Cochrane database of systematic reviews 2017 PubMed DOI
A Vitamin E for Alzheimer's disease and mild cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2008 PubMed DOI
A Vitamin E for Alzheimer's dementia and mild cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2012 PubMed DOI
A Exercise for intermittent claudication
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
A Effects of vitamin E supplementation on the risk and progression of AD: a systematic review and meta-analysis
Meta Analysis Nutritional neuroscience 2021 PubMed DOI
A Effect of vitamin E supplementation in rheumatoid arthritis: a systematic review and meta-analysis
Meta Analysis European journal of clinical nutrition 2023 PubMed DOI
A Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)
Rct JAMA 2011 PubMed DOI
A Vitamin E for Alzheimer's dementia and mild cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Vitamin, Mineral, and Multivitamin Supplementation to Prevent Cardiovascular Disease and Cancer: US Preventive Services Task Force Recommendation Statement.
Guideline JAMA 2022 PubMed DOI
View all evidence for Vitamin E →
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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.