Acetyl L-Carnitine HCI 1,000 mg - 100 Veg Caps - 50 Servings

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Acetyl L-Carnitine HCI 1,000 mg - 100 Veg Caps - 50 Servings

LifeSource Vitamins

5 Reviews

Supports mental clarity & nerve health*
Boosts endurance & performance*
Improves insulin sensitivity & metabolic balance*
Reduces fatigue & aids weight management*
Supports liver function & muscle recovery*
Builds muscle mass & cellular energy*
3rd-party tested for purity*

Read Below: All Clinical Research, Studies & Supporting Documentation.

Product Code: ACET001

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Acetyl L-Carnitine — 1,000 mg, 100 Capsules

Acetyl L-Carnitine — 1,000 mg, 100 Capsules — Supports Brain & Nerve Cell Function*

Acetyl L-Carnitine (ALCAR) is an acetylated form of L-carnitine that crosses the blood-brain barrier and is studied in humans for cognitive support, nerve health, and energy metabolism. It helps shuttle fatty acids into mitochondria for cellular energy and supports antioxidant defenses. Produced in FDA-registered, GMP-certified facilities and 3rd-party tested for purity & potency.*

Enhances physical performance for endurance*
Provides neuroprotective effects for nerve health*
Improves insulin sensitivity for metabolic balance*
Reduces fatigue for daily vitality*
Supports weight management for body composition*
Improves liver function for enzyme health*
Reduces muscle damage for recovery support*
Increases muscle mass for strength gains*
Enhances mitochondrial function for cellular energy*

Research Promise: At LifeSource Vitamins, our commitment is rooted in research and results. Every benefit below is supported by human clinical studies indexed in the National Institutes of Health (NIH) via PubMed, with full texts available in the National Library of Medicine (NLM) PubMed Central (PMC) when available. In addition, we reference reviews from 39 leading health organizations and insights from 20 top global universities to ensure our guidance aligns with credible science.*

Clinically Studied Benefits (with research)

• Supports cognitive function* — ALCAR has been studied for maintaining cognitive performance in adults. (NIH/PMC — Full text, 2020)

• Physical performance & recovery* — Human trials report benefits for exercise capacity and post-exercise recovery. (NIH/PMC — Full text, 2021)

• Nerve/neuropathy support* — Evidence suggests benefits for peripheral nerve comfort and function. (NIH/PMC — Full text, 2019)

• Metabolic support* — Studies explore effects on insulin sensitivity and metabolic markers. (NIH/PubMed — 2020)

• Mitochondrial function & antioxidant defense* — Supports mitochondrial efficiency and helps reduce oxidative stress. (NIH/PMC — Full text, 2009)

Additional Studies Showing Promising Benefits*

• Fatigue & vitality* — Reports of reduced perceived fatigue in selected groups. (NIH/PubMed — 2020)

• Liver enzyme markers* — Exploratory evidence of improved enzyme profiles. (NIH/PMC — Full text, 2022)

• Exercise-induced muscle damage* — Studies note attenuated markers after strenuous activity. (NIH/PMC — Full text, 2022)

University Sources (non-PubMed summaries)*

• Carnitine & energy metabolism overview. (OSU Linus Pauling Institute)

• Brain health & lifestyle context pages. (Harvard Health)

Global / Medical Organization Sources*

• Patient-friendly Q&A on ALCAR for fatigue contexts. (Mayo Clinic)

• General cognition & brain-health education. (Cleveland Clinic)

We monitor research from the world’s leading institutions — including Harvard, Johns Hopkins, Mayo Clinic, Cleveland Clinic, Cambridge University, Oxford, Stanford, Yale, MIT, the University of Florida, Oregon State University – Linus Pauling Institute, Tufts, Boston University, Cornell, Columbia, and Ohio State — to keep guidance aligned with credible science.*

Brief Benefit Bullets

• Supports cognitive function & mental clarity*

• Helps maintain healthy nerve cell function*

• Supports energy metabolism via mitochondrial fatty-acid transport*

• Aids exercise performance & post-exercise recovery*

• Helps defend cells from oxidative stress*

3rd-party tested for identity, potency & purity

See All LifeSource Vitamins Brain, Memory & Cognitive Products

Suggested Use

Adults: Take 1–2 capsules daily, preferably on an empty stomach with water or juice, or as directed by your healthcare professional. If pregnant, nursing, taking medications, or have a medical condition, consult your physician.*

Product Specifications

Serving Size — 2 Vegetarian Capsules

Servings Per Container — 50

Acetyl-L-Carnitine — 1,000 mg per serving (from 1,205 mg Acetyl-L-Carnitine HCl)

Other Ingredients — Hypromellose (cellulose capsule), rice flour, stearic acid (vegetable source), silicon dioxide

Form — Vegetarian capsules

Free From — Non-GMO; no artificial colors or flavors*

Key Ingredient

Acetyl L-Carnitine (ALCAR) — An acetylated form of L-carnitine that helps transport fatty acids into mitochondria for energy and supports brain & nerve health.* (NIH/PMC — Full text, 2020)

3rd-Party Testing: Every batch is independently tested for identity, purity, potency, heavy metals & microbial safety. See our testing.

LifeSource Vitamins — Proudly American — Since 1992

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Acetyl L-Carnitine — supports brain & nerve cell function, energy metabolism, and cellular antioxidant defenses. 100 vegetarian capsules. Third-party tested. Clinically Studied Ingredients — NIH/PubMed!*