🟢 100/100

This product looks safe

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

Product Label

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Label Data

1 Caplet(s) Serving Size
Non-Nutrient/Non-Botanical Product Type
100% Evidence Coverage

Supplement Facts — Evidence Check

1 Gram(s)
📊 Market median: 500.0mg (861 products) 📚 60 studies (Tier A: 4, B: 13)
This product: 1mg

Other Ingredients

Microcrystalline Cellulose Stearic Acid Magnesium Stearate Silicon Dioxide Vegetarian Coating

Label Claims — Verification

All Other
Structure/Function
All Other (99% of products) Structure/Function (88% of products) Nutrient (18% of products)

Target Groups

Adult (18 - 50 Years) Gluten Free Dairy Free

Product Information

📋 Directions for Use

Directions: As a dietary supplement, take the contents of one pack daily.

⚠️ Warnings & Precautions

Warning: Consuming this product can expose you to chemicals including lead, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warning.ca.gov/food.

Warning: Consult your physician prior to using this product if you are pregnant, nursing, taking medication, or have a medical condition.

Keep out of reach of children.

Discontinue use two weeks prior to surgery. Inform your physician of this product's biotin content before any lab test.

🧪 Formulation Notes

Get a complete solution, including premium, clinically researched ingredients in just the right doses - all in a convenient pack. L-Carnitine 1000 One of the most clinically studied forms of L-carnitine available - shown to fuel fat metabolism and reduce oxidative stress post-exercise.

Embrace doing all the right things to achieve a more defined looked - like following the enclosed meal and exercise plan. This product provides dietary supplements to support calorie burning, fat metabolism and your regimen.

Scientifically formulated nutrition & weight management support system Clinically researched

Fuels fat metabolism with L-Carnitine 1000 & CLA

Each pack contains: L-Carnitine 1000

No wheat, gluten free, no soy, no dairy.

Additional Information

Advanced support as you strive to burn & define.

Participants exercised on a treadmill on two occasions. On one occasion they took this blend before exercise and on the second, they took the placebo. The amount of calories burned during the first hour post-exercise was measured and participants burned up to 60% more calories while on this blend compared to when they took the placebo.

Conforms to USP <2091> for weight. Meets USP <2040> disintegration.

Store in a cool, dry place.

Our quality commitment to you Since 1935, our mission as the industry leader has been to provide you with the highest-quality nutritional supplements. We continue to stand behind this mission. If you’re not 100% satisfied with your purchase, return the unused portion of the product with your receipt within 30 days and we’ll either refund your money or find a replacement product that is right for you.

Product Details

DSLD Entry Date 2020-05-22
Product Type Non-Nutrient/Non-Botanical
Form Other (e.g. tea bag)
Bundle Burn & Define Vitapak
DSLD ID 221100
Data Updated 2026-04-11

Research Evidence

80 Research Sources
49 Avg Quality Score
43 Rct
14 Clinical Trial
11 Systematic Review
9 Meta Analysis
2 Regulatory Source
A Propionyl-L-carnitine for intermittent claudication
Meta Analysis The Cochrane database of systematic reviews 2021
A Carnitine supplements for people with chronic kidney disease requiring dialysis
Systematic Review The Cochrane database of systematic reviews 2022
A Acetyl-L-carnitine for patients with hepatic encephalopathy
Meta Analysis The Cochrane database of systematic reviews 2019
A Acetyl-L-carnitine for the treatment of diabetic peripheral neuropathy
Meta Analysis The Cochrane database of systematic reviews 2019
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2012
B L-carnitine for cognitive enhancement in people without cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2010
B Systematic Review and Meta-analysis on Effect of Carnitine, Coenzyme Q10 and Selenium on Pregnancy and Semen Parameters in Couples With Idiopathic Male Infertility
Meta Analysis Urology 2022
B Effects of Carnitine and Coenzyme Q10 on Sperm Quality and Pregnancy Rates in Men with Unexplained Infertility: A Systematic Review and Network Meta-Analysis
Systematic Review Reproductive sciences (Thousand Oaks, Calif.) 2025
B Efficacy and Effectiveness of Carnitine Supplementation for Cancer-Related Fatigue: A Systematic Literature Review and Meta-Analysis
Meta Analysis Nutrients 2017
View all evidence for Carnitine →

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