| Maximum Strength Acetyl L-Carnitine HCl 1000 | Vitamin World | 1000 mg | — | Capsule |
| Acetyl L-Carnitine 1000 mg Lemonade | MRM | 1000 mg | — | Liquid |
| Juvenon Pro Cognitive | Douglas Laboratories | 1000 mg | — | Capsule |
| Acetyl L-Carnitine 1000mg | Best Naturals | 1000 mg | — | Capsule |
| BLAZE | Core Nutritionals | 1000 mg | — | Capsule |
| Healthy Aging Support | Juvenon | 1000 mg | — | Tablet or Pill |
| JuVenon | Juvenon | 1000 mg | — | Capsule |
| Cellular Health | Juvenon | 1000 mg | — | Tablet or Pill |
| Juvenon Pro Longevity | Douglas Laboratories | 1000 mg | — | Capsule |
| Melt Blue Raspberry | Bowmar Nutrition | 1000 mg | — | Powder |
| Vital Brain Powder Lemon Flavor | Vital Nutrients | 850 mg | — | Powder |
| Optimized Carnitine With GlycoCarn | Life Extension | 800 mg | — | Capsule |
| Acetyl L-Cartine HCL Free Form Alpha Lipoic Acid | Puritan's Pride | 800 mg | — | Capsule |
| Acetyl L-Carnitine HCL 750 mg | NusaPure | 750 mg | — | Capsule |
| ALCAR (Acetyl L-Carnitine) 600 mg | BulkSupplements.com | 600 mg | — | Capsule |
| ALA/ALC 750 mg | AN Amazing Nutrition Amazing Formulas | 525 mg | — | Capsule |
| Acetyl L-Carnitine 500 mg | tnvitamins | 500 mg | — | Capsule |
| Burn X-Treme | Amazing Muscle | 500 mg | — | Capsule |
| Acetyl L-Carnitine & Alpha Lipoic Acid 650 mg | BIOVEA | 500 mg | — | Capsule |
| Alpha | Higher Nature | 500 mg | — | Capsule |
| Acetyl L-Carnitine 500 mg | Nature's Way | 500 mg | — | Capsule |
| Higher Mind With Phosphatidylserine | Source Naturals | 500 mg | — | Tablet or Pill |
| Higher Mind | Source Naturals | 500 mg | — | Tablet or Pill |
| Acetyl L-Carnitine HCl Capsules 500 mg | Nootropics Depot | 500 mg | — | Capsule |
| Riboctane | Ortho Molecular Products | 500 mg | — | Capsule |
| Acetyl L-Carnitine 500 mg | Best Naturals | 500 mg | — | Capsule |
| Acetyl L-Carnitine HCl | Nootropics Depot | 500 mg | — | Powder |
| Thyro-Drive | 1st Phorm | 400 mg | — | Capsule |
| Acetyl L-Carnitine HCl 400 mg With Alpha Lipoic Acid 200 mg | Nature's Bounty | 400 mg | — | Capsule |
| Acetyl-Choline Brain Food | NS Natural Stacks | 319 mg | — | Capsule |
| Learner's Edge | Integrative Therapeutics | 300 mg | — | Capsule |
| Dr. Cutler's Ultimate Brain | True Health | 300 mg | — | Capsule |
| VitaLinx | PS ProSupps | 250 mg | — | Tablet or Pill |
| Acetyl L-Carnitine 250 mg | Bluebonnet | 250 mg | — | Capsule |
| Vitaline Neuro-Essentials | Integrative Therapeutics | 250 mg | — | Other (e.g. tea bag) |
| Prothrivers Wellness Brain | Integrative Therapeutics | 250 mg | — | Capsule |
| Devotion 24/7 Whey Protein Lean Mixed Berry Cream | NatureSmart | 205 mg | — | Powder |
| Synergy 3000 Multi-Vitamin | Vitacost | 100 mg | — | Capsule |
| Diet-Phen | Source Naturals | 100 mg | — | Tablet or Pill |
| Gugu Lipo | Priority One Nutritional Supplements | 100 mg | — | Capsule |
| Cognitive Focus | Nature's Way | 75 mg | — | Capsule |
| Ultra Vita Man 50+ | Vitamin World | 50 mg | — | Tablet or Pill |
| Neuro Prime | Orphic Nutrition | 50 mg | — | Capsule |
| NeuroPrime | Orphic Nutrition | 50 mg | — | Capsule |
| Mega Vita Woman 50+ High Potency | Vitamin World | 50 mg | — | Tablet or Pill |
| NeuroIGNITE | Havasu Nutrition | 50 mg | — | Capsule |
| Double Tap Orange Crush | Redcon1 | 25 Gram(s) | — | Powder |
| Double Tap Blue Raspberry | Redcon1 | 25 Gram(s) | — | Powder |
| Multi Vitamin+ Apricot-Mango | Emergen-C | 10 mg | — | Powder |
| Multi Vitamin+ Cherry-Pomegranate | Emergen-C | 10 mg | — | Powder |
| Acetyl L-Carnitine | Integrative Therapeutics | 1 Gram(s) | — | Capsule |
| ALCAR Acetyl L-Carnitine | Hard Rhino | 1 Gram(s) | — | Powder |
| Acetyl L-Carnitine 1000 mg Lemonade FlavorDiscontinued | MRM | 1000 mg | — | Liquid |
| Klean CognitiveDiscontinued | Klean Athlete | 1000 mg | — | Capsule |
| Acetyl L-Carnitine HCl 1000 mgDiscontinued | PhysioLogics | 1000 g | — | Capsule |
| Cellular Health SupplementDiscontinued | Juvenon | 1000 mg | — | Tablet or Pill |
| Revive-It-AllDiscontinued | Purium Health Products | 1000 mg | — | Capsule |
| Acetyl L-Carnitine HCl 1000 mgDiscontinued | Good 'N Natural | 1000 mg | — | Capsule |
| Acetyl L-Carnitine HCL (ALCAR HCL)Discontinued | BulkSupplements.com | 600 mg | — | Powder |
| Acetyl L-Carnitine HCl (ALCAR HCL)Discontinued | BulkSupplements.com | 600 mg | — | Powder |
| CoQ10 Power PlexDiscontinued | Indiana Botanic Gardens | 500 mg | — | Capsule |
| Acetyl L-CarnitineDiscontinued | Dymatize Nutrition | 500 mg | — | Capsule |
| Acetyl L-CarnitineDiscontinued | Vital Nutrients | 500 mg | — | Capsule |
| Acetyl L-CarnitineDiscontinued | Dymatize | 500 mg | — | Capsule |
| Acetyl L-Carnitine HCl 400 mg With Alpha Lipoic Acid 200 mgDiscontinued | Good 'N Natural | 400 mg | — | Capsule |
| Multi Vitamin+ Cherry-Pomegranate Flavored Fizzy DrinkDiscontinued | Emergen-C | 10 mg | — | Powder |