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Acetyl L-Carnitine 1000 mg

product on market Capsule Double Wood Supplements 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

Acetyl L-Carnitine is researched for its potential to support cognitive function and mitochondrial energy production. There is moderate evidence suggesting it may improve mental focus and alertness. This ingredient is generally well-tolerated with a high safety profile.

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

Label

Product Label

Label for Acetyl L-Carnitine 1000 mg
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Capsule(s)
Serving Size
75
Servings
Non-Nutrient/Non-Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 500.0mg (861 products) 61 studies (A:4, B:13)

Other Ingredients

Gelatin Cellulose Silicon Dioxide
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Use: As a supplement, take 2-4 capsules per day on an empty stomach.

Warnings & Precautions

Warning: Consult your physician before use.

Do not use Acetyl L-Carnitine if you are pregnant, nursing or are under 18 years of age.

Do not use Acetyl L-Carnitine if you are pregnant, nursing or are under 18 years of age.

Discontinue use and consult your doctor immediately if any adverse reactions occur.

Do not take Acetyl L-Carnitine and operate heavy machinery until you know how it affects you.

Keep out of reach of children.

Do not exceed 6 capsules per day.

Formulation Notes

Acetyl L-Carnitine is a compound produced by the body from lysine and methionine that has been acetylated in order to cross the blood brain barrier more effectively. Studies show it may support overall cognitive function, attention, as well as exercise endurance and stamina. It may also support blood pressure and blood flow as well as plasma nitrate levels.

Proudly made in USA Tested for Purity

Made with Non-GMO ingredients Gluten Free

1000 mg per serving

Supports exercise endurance and stamina Supports cognitive function and attention

Additional Information

Storage: Store in a cool, dark place. Do not freeze or expose to moisture or heat above room temperature.

Metadata

Product Details

UPC / SKU8 59793 00745 7
DSLD Entry Date2021-01-22
Product TypeNon-Nutrient/Non-Botanical
FormCapsule
DSLD ID241708
Data Updated2026-04-11
Research

Research Evidence

80
Research Sources
49
Avg Quality
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 PubMed DOI
A Carnitine supplements for people with chronic kidney disease requiring dialysis
Systematic Review The Cochrane database of systematic reviews 2022 PubMed DOI
A Acetyl-L-carnitine for patients with hepatic encephalopathy
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
A Acetyl-L-carnitine for the treatment of diabetic peripheral neuropathy
Meta Analysis The Cochrane database of systematic reviews 2019 PubMed DOI
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2012 PubMed DOI
B L-carnitine for cognitive enhancement in people without cognitive impairment
Meta Analysis The Cochrane database of systematic reviews 2017 PubMed DOI
B Carnitine for fatigue in multiple sclerosis
Systematic Review The Cochrane database of systematic reviews 2010 PubMed DOI
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 PubMed DOI
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 PubMed DOI
B Efficacy and Effectiveness of Carnitine Supplementation for Cancer-Related Fatigue: A Systematic Literature Review and Meta-Analysis
Meta Analysis Nutrients 2017 PubMed DOI
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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.