SuppHelper
search
Product Image

Optimized Carnitine

Life Extension

4.8
★ ★ ★ ★ ★
(1074 ratings)
Acetyl L-Carnitine 800 mg
Product Image
Score 85

Life Extension's Optimized Carnitine offers a potent multi-form L-Carnitine blend aimed at enhancing brain health, energy, and metabolism, backed by a reputable brand and positive reviews.

Quantity: 60 Capsule(s) • (30 servings)
Goals:
flag Anti-Aging
flag Cognitive Support
flag Metabolism Boost
flag Energy
flag Weight Loss

leaderboard Score 85

Life Extension's Optimized Carnitine offers a potent multi-form L-Carnitine blend aimed at enhancing brain health, energy, and metabolism, backed by a reputable brand and positive reviews.

insightsAnalysis

Optimized Carnitine by Life Extension is a comprehensive L-Carnitine supplement designed to support a wide array of health goals, primarily focusing on brain function, energy metabolism, and athletic performance. Its unique blend of Acetyl L-Carnitine HCl, Acetyl L-Carnitine Arginate Di-HCl, and Glycine Propionyl L-Carnitine HCl provides a synergistic effect targeting different physiological pathways for enhanced mitochondrial function and energy production. While well-regarded by consumers and nutritionists for its brain and energy benefits, the efficacy for some ambitious claims like direct 'Testosterone Support' is more indirect through improved energy and exercise rather than direct hormonal modulation, as current research primarily supports its role in fatty acid metabolism and neural health.
thumb_upPros
  • Contains multiple bioavailable forms of L-Carnitine (ALCAR, GPLC, ALCAR-Arginate) for comprehensive benefits.
  • Provides a good overall dosage (1400mg total L-Carnitine forms per serving) to support various physiological functions.
  • Manufactured by Life Extension, a well-regarded and trusted brand in the supplement industry.
  • Boasts a high number of positive customer reviews, indicating general user satisfaction.
thumb_downCons
  • The price per serving is relatively high compared to simpler, single-form Acetyl L-Carnitine products.
  • Claims like 'Testosterone Support' are often more indirect effects of improved energy and exercise rather than direct, significant hormonal boosting from L-Carnitine itself.
warningWarnings
  • Individuals on blood thinners or with thyroid conditions should consult a healthcare professional before use, as L-Carnitine may interact with certain medications or conditions.
flagReport analysis
$23.25($0.77 per serving)
Pure Formulas
$ 23.25
iHerb
$ 23.25
Vitacost
$ 23.25
Amazon
$ 23.25
flagReport prices

Ingredients

IngredientAmount per serving
Acetyl L-Carnitine HCl
800 mg
Acetyl L-Carnitine Arginate Di-HCl
300 mg
Glycine Propionyl L-Carnitine HCl
300 mg
person Adults 18–50
flagReport overview

Categories

Goals

inventory_2Recommended products
flagReport alternatives

SuppHelper

Compare supplements smarter. Science-backed, user-rated, updated daily.

© 2025 SuppHelper. All rights reserved.

Explore

  • Compare Supplements
  • Health Goals
  • Stacks

Legal

  • Privacy Policy
  • Terms of Use
  • Medical Disclaimer

Stay in the Loop