| Maximum Strength Acetyl L-Carnitine HCl 1000● OTHER INGREDIENTS (2) | Vitamin World | 1000 mg | — | Capsule |
| Acetyl L-Carnitine 1000 mg Lemonade | MRM | 1000 mg | — | Liquid |
| Juvenon Pro Cognitive● OTHER INGREDIENTS (2) | Douglas Laboratories | 1000 mg | — | Capsule |
| Acetyl L-Carnitine 1000mg● OTHER INGREDIENTS (2) | Best Naturals | 1000 mg | — | Capsule |
| BLAZE● OTHER INGREDIENTS (2) | Core Nutritionals | 1000 mg | — | Capsule |
| Healthy Aging Support● OTHER INGREDIENTS (4) | Juvenon | 1000 mg | — | Tablet or Pill |
| JuVenon● OTHER INGREDIENTS (2) | Juvenon | 1000 mg | — | Capsule |
| Cellular Health● OTHER INGREDIENTS (4) | Juvenon | 1000 mg | — | Tablet or Pill |
| Juvenon Pro Longevity● OTHER INGREDIENTS (2) | Douglas Laboratories | 1000 mg | — | Capsule |
| Melt Blue Raspberry● OTHER INGREDIENTS (2) | Bowmar Nutrition | 1000 mg | — | Powder |
| Vital Brain Powder Lemon Flavor | Vital Nutrients | 850 mg | — | Powder |
| Optimized Carnitine With GlycoCarn● OTHER INGREDIENTS (1) | Life Extension | 800 mg | — | Capsule |
| Acetyl L-Cartine HCL Free Form Alpha Lipoic Acid● OTHER INGREDIENTS (2) | Puritan's Pride | 800 mg | — | Capsule |
| Acetyl L-Carnitine HCL 750 mg● OTHER INGREDIENTS (2) | NusaPure | 750 mg | — | Capsule |
| ALCAR (Acetyl L-Carnitine) 600 mg | BulkSupplements.com | 600 mg | — | Capsule |
| ALA/ALC 750 mg● OTHER INGREDIENTS (2) | AN Amazing Nutrition Amazing Formulas | 525 mg | — | Capsule |
| Acetyl L-Carnitine 500 mg● OTHER INGREDIENTS (2) | tnvitamins | 500 mg | — | Capsule |
| Burn X-Treme● OTHER INGREDIENTS (2) | Amazing Muscle | 500 mg | — | Capsule |
| Acetyl L-Carnitine & Alpha Lipoic Acid 650 mg● OTHER INGREDIENTS (2) | BIOVEA | 500 mg | — | Capsule |
| Alpha● OTHER INGREDIENTS (2) | Higher Nature | 500 mg | — | Capsule |
| Acetyl L-Carnitine 500 mg● OTHER INGREDIENTS (1) | Nature's Way | 500 mg | — | Capsule |
| Higher Mind With Phosphatidylserine⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | Source Naturals | 500 mg | — | Tablet or Pill |
| Higher Mind⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | Source Naturals | 500 mg | — | Tablet or Pill |
| Acetyl L-Carnitine HCl Capsules 500 mg● OTHER INGREDIENTS (1) | Nootropics Depot | 500 mg | — | Capsule |
| Riboctane● OTHER INGREDIENTS (2) | Ortho Molecular Products | 500 mg | — | Capsule |
| Acetyl L-Carnitine 500 mg● OTHER INGREDIENTS (2) | Best Naturals | 500 mg | — | Capsule |
| Acetyl L-Carnitine HCl | Nootropics Depot | 500 mg | — | Powder |
| Thyro-Drive● OTHER INGREDIENTS (2) | 1st Phorm | 400 mg | — | Capsule |
| Acetyl L-Carnitine HCl 400 mg With Alpha Lipoic Acid 200 mg● OTHER INGREDIENTS (2) | Nature's Bounty | 400 mg | — | Capsule |
| Acetyl-Choline Brain Food● OTHER INGREDIENTS (1) | NS Natural Stacks | 319 mg | — | Capsule |
| Learner's Edge● OTHER INGREDIENTS (1) | Integrative Therapeutics | 300 mg | — | Capsule |
| Dr. Cutler's Ultimate Brain● OTHER INGREDIENTS (1) | True Health | 300 mg | — | Capsule |
| VitaLinx⚠ EXCEEDS UL● OTHER INGREDIENTS (6) | PS ProSupps | 250 mg | — | Tablet or Pill |
| Acetyl L-Carnitine 250 mg● OTHER INGREDIENTS (2) | Bluebonnet | 250 mg | — | Capsule |
| Vitaline Neuro-Essentials● OTHER INGREDIENTS (1) | Integrative Therapeutics | 250 mg | — | Other (e.g. tea bag) |
| Prothrivers Wellness Brain● OTHER INGREDIENTS (2) | Integrative Therapeutics | 250 mg | — | Capsule |
| Devotion 24/7 Whey Protein Lean Mixed Berry Cream● OTHER INGREDIENTS (1) | NatureSmart | 205 mg | — | Powder |
| Synergy 3000 Multi-Vitamin⚠ EXCEEDS UL● OTHER INGREDIENTS (2) | Vitacost | 100 mg | — | Capsule |
| Diet-Phen● OTHER INGREDIENTS (1) | Source Naturals | 100 mg | — | Tablet or Pill |
| Gugu Lipo● OTHER INGREDIENTS (1) | Priority One Nutritional Supplements | 100 mg | — | Capsule |
| Cognitive Focus | Nature's Way | 75 mg | — | Capsule |
| Ultra Vita Man 50+● OTHER INGREDIENTS (1) | Vitamin World | 50 mg | — | Tablet or Pill |
| Neuro Prime● OTHER INGREDIENTS (1) | Orphic Nutrition | 50 mg | — | Capsule |
| NeuroPrime● OTHER INGREDIENTS (1) | Orphic Nutrition | 50 mg | — | Capsule |
| Mega Vita Woman 50+ High Potency● OTHER INGREDIENTS (1) | Vitamin World | 50 mg | — | Tablet or Pill |
| NeuroIGNITE● OTHER INGREDIENTS (1) | Havasu Nutrition | 50 mg | — | Capsule |
| Double Tap Orange Crush● OTHER INGREDIENTS (1) | Redcon1 | 25 Gram(s) | — | Powder |
| Double Tap Blue Raspberry | Redcon1 | 25 Gram(s) | — | Powder |
| Multi Vitamin+ Apricot-Mango● OTHER INGREDIENTS (2) | Emergen-C | 10 mg | — | Powder |
| Multi Vitamin+ Cherry-Pomegranate● OTHER INGREDIENTS (2) | Emergen-C | 10 mg | — | Powder |
| Acetyl L-Carnitine● OTHER INGREDIENTS (1) | 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● OTHER INGREDIENTS (2) | Klean Athlete | 1000 mg | — | Capsule |
| Acetyl L-Carnitine HCl 1000 mgDiscontinued● OTHER INGREDIENTS (2) | PhysioLogics | 1000 g | — | Capsule |
| Cellular Health SupplementDiscontinued● OTHER INGREDIENTS (4) | Juvenon | 1000 mg | — | Tablet or Pill |
| Revive-It-AllDiscontinued | Purium Health Products | 1000 mg | — | Capsule |
| Acetyl L-Carnitine HCl 1000 mgDiscontinued● OTHER INGREDIENTS (2) | 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● OTHER INGREDIENTS (2) | Indiana Botanic Gardens | 500 mg | — | Capsule |
| Acetyl L-CarnitineDiscontinued● OTHER INGREDIENTS (3) | Dymatize Nutrition | 500 mg | — | Capsule |
| Acetyl L-CarnitineDiscontinued● OTHER INGREDIENTS (1) | Vital Nutrients | 500 mg | — | Capsule |
| Acetyl L-CarnitineDiscontinued● OTHER INGREDIENTS (4) | Dymatize | 500 mg | — | Capsule |
| Acetyl L-Carnitine HCl 400 mg With Alpha Lipoic Acid 200 mgDiscontinued● OTHER INGREDIENTS (2) | Good 'N Natural | 400 mg | — | Capsule |
| Multi Vitamin+ Cherry-Pomegranate Flavored Fizzy DrinkDiscontinued● OTHER INGREDIENTS (2) | Emergen-C | 10 mg | — | Powder |