| Glycine Powder | Vital Nutrients | 4000 mg | — | Powder |
| Liquid Aminos Wild Cherry Flavor | Precision Engineered | 3622 mg | — | Liquid |
| R.E.M. Maintenance | Metabolic Maintenance | 3500 mg | — | Powder |
| Greens & Superfoods Lime | PEScience | 3000 mg | — | Powder |
| Glycine 3000 mg Capsules | BulkSupplements.com | 3000 mg | — | Capsule |
| Glycine Powder 3000 mg | BulkSupplements.com | 3000 mg | — | Powder |
| Glycine | BulkSupplements.com | 3000 mg | — | Powder |
| Greens & Superfoods Chocolate | PEScience | 3000 mg | — | Powder |
| Glycine Capsules 3000 mg | BulkSupplements.com | 3000 mg | — | Capsule |
| Sleep Breakthrough Blue Berry Dreams | BiOptimizers | 2900 mg | — | Powder |
| Sleep Breakthrough Tropical Dreams | BiOptimizers | 2900 mg | — | Powder |
| Collagen Hydrolysate Apple + Cucumber Flavored | Great Lakes Gelatin Co. | 2785 mg | — | Powder |
| Inositol + Glycine | Advanced Nutrition by Zahler | 2500 mg | — | Powder |
| Pegan Thin Seed Protein 20 g Triple Chocolate | Julian Bakery | 2360 mg | — | Powder |
| OptiCleanse Plus Rice Original | XYMOGEN | 2098 mg | — | Powder |
| Calm/Recharge | Allergy Research Group | 2000 mg | — | Powder |
| ZuSleep Apple Cinnamon Flavor | UMZU | 2000 mg | — | Powder |
| Vital Clear | Vital Nutrients | 2000 mg | — | Powder |
| Novos Core Orange Flavor | Novos | 2000 mg | — | Powder |
| UltraCleanse Plus | Akasha Naturals | 1600 mg | — | Powder |
| Facial Sweet | Human Garage | 1600 mg | 0% | Powder |
| UltraClear Plus pineapple banana flavor | Metagenics | 1600 mg | — | Powder |
| UltraClear Plus pH Pineapple Banana Flavor | Metagenics | 1600 mg | — | Powder |
| Metabolic Detox Complete Natural Chocolate | Metabolic Maintenance | 1500 mg | — | Powder |
| Metabolic Detox Complete Natural Vanilla | Metabolic Maintenance | 1500 mg | — | Powder |
| Glycine | Pure Encapsulations | 1500 mg | — | Capsule |
| Pro-Shake 19 Natural Vanilla Protein Powder | Douglas Laboratories | 1463 mg | — | Powder |
| CannaCalm Sleep Support Natural Orange Flavor | Dr. Mercola | 1300 mg | — | Powder |
| Glycine | Earthborn Elements | 1290 mg | — | Capsule |
| Muscle Aid | Nutra BioGenesis | 1220 mg | — | Powder |
| MacroMeal Ultimate Chocolate | MacroLife Naturals | 1207 mg | — | Powder |
| Vitamin/Mineral Base Powder | Metabolic Maintenance | 1100 mg | — | Powder |
| Silk Brown Rice Protein | BIOVEA Natural Foods | 1020 mg | — | Powder |
| Glycine Powder | Metabolic Maintenance | 1000 mg | — | Powder |
| Sleep Aid | Fresh Nutrition | 1000 mg | — | Capsule |
| 100% Pure Glycine 1000 Milligrams | NutraBio | 1000 mg | — | Capsule |
| Pump-HD | BPI Sports | 1000 mg | — | Powder |
| Clear Response Vanilla | Innate Response Formulas | 1000 mg | — | Powder |
| 4D Pump Red Lemonade | Image Sports | 1000 mg | — | Powder |
| Pump-HD Black Cherry | BPI Sports | 1000 mg | — | Powder |
| Cocoa HGH | DaVinci Laboratories | 1000 mg | — | Powder |
| PUMP-HD Watermelon Ice | BPI | 1000 mg | — | Powder |
| Glycine (Free Form) | Herbadiet | 1000 mg | — | Capsule |
| Glycine Pure Powder | Best Naturals | 1000 mg | — | Powder |
| Glycine 1000 mg | Life Extension | 1000 mg | — | Capsule |
| PUMP-HD Peaches N' Cream | BPI | 1000 mg | — | Powder |
| GH Pituitary Support Night Formula | Life Extension | 1000 mg | — | Capsule |
| 100% Pure Glycine | NutraBio | 1000 mg | — | Powder |
| PUMP-HD Fruit Punch | BPI | 1000 mg | — | Powder |
| CurcumaSorb Mind EasySticks Natural Strawberry and Lemonade Flavor | Pure Encapsulations | 1000 mg | — | Powder |
| 4D Pump Artic Ice | Image Sports | 1000 mg | — | Powder |
| Maxi-HGH | DaVinci Laboratories | 1000 mg | — | Powder |
| Pump-HD Blue Ice Lemonade | BPI | 1000 mg | — | Powder |
| Glycine (Free Form) Powder | Herbadiet | 1000 mg | — | Powder |
| Pump-HD Orange Twist | BPI | 1000 mg | — | Powder |
| BioCleanse Plus | Nutra BioGenesis | 820 mg | — | Powder |
| Veg-Pro Vanilla Cream Pie | Steel | 766 mg | — | Powder |
| Core Support Chocolate | Ortho Molecular Products | 750 mg | — | Powder |
| Core Support French Vanilla | Ortho Molecular Products | 750 mg | — | Powder |
| BioCleanse Capsules | Nutra BioGenesis | 750 mg | — | Capsule |
| PaleoCleanse Functional Detoxification Powder | Designs for Health | 750 mg | — | Powder |
| Amino 1000 | Universal | 705 mg | — | Capsule |
| Sleep NutriPowder | BioCare | 700 mg | — | Powder |
| BioCleanse | Nutra BioGenesis | 680 mg | — | Powder |
| Leanology Chocolate | TriVita | 657 mg | — | Powder |
| Pediatric Vitamin/Mineral Base Powder | Metabolic Maintenance | 610 mg | — | Powder |
| Glycine 600 | ProCaps Laboratories | 600 mg | — | Capsule |
| Sleep Breakthrough | BiOptimizers | 588 mg | — | Capsule |
| InflammaCORE Chocolate Mint | Ortho Molecular Products | 500 mg | — | Powder |
| Gut Feeling Max | HoltraCeuticals | 500 mg | — | Powder |
| InflammaCORE Orange Splash | Ortho Molecular Products | 500 mg | — | Powder |
| Glycine 500 mg | Douglas Laboratories | 500 mg | — | Capsule |
| PediaFocus - DF Natural Vanilla Flavor | Designs for Health | 500 mg | — | Powder |
| Pharmaceutical Grade AjiPure Glycine 500 mg | Swanson Ultra | 500 mg | — | Capsule |
| Glycine 500 mg | Metabolic Maintenance | 500 mg | — | Capsule |
| Fast & Be Clear | Allergy Research Group | 500 mg | — | Powder |
| GlyphoCleanse | ecoNugenics | 500 mg | — | Capsule |
| InflammaCORE Banana Creme | Ortho Molecular Products | 500 mg | — | Powder |
| Ultra Amino Complex Watermelon | GNC Pro Performance | 500 mg | — | Powder |
| GlyphoDetox | ecoNugenics | 500 mg | — | Capsule |
| Core Support | Ortho Molecular Products | 500 mg | — | Powder |
| Gut Care for Kids Pineapple Flavour | Metagenics | 500 mg | — | Powder |
| GlyphoDetox | Clinical Synergy Professional Formulas | 500 mg | — | Capsule |
| Glycine | Metabolic Maintenance | 500 mg | — | Capsule |
| InflammaCORE Strawberry | Ortho Molecular Products | 500 mg | — | Powder |
| Ultra Amino Complex Fruit Punch | GNC Pro Performance | 500 mg | — | Powder |
| InflammaCORE Vanilla Chai | Ortho Molecular Products | 500 mg | — | Powder |
| Tri-Magnesium Complex +Vitamin E | Weyland Brain Nutrition | 500 mg | — | Capsule |
| Glycine 500 mg | Country Life | 500 mg | — | Tablet or Pill |
| Lithium Orotate 5 +Tri-Magnesium Complex +Vitamin E | Weyland Brain Nutrition | 500 mg | — | Capsule |
| Glycine 500 mg | AN Amazing Nutrition Amazing Formulas | 500 mg | — | Capsule |
| All Bulk No Bloat Ninja Nectar | Bucked Up | 500 mg | — | Powder |
| InflammaCORE Natural Cherry | Ortho Molecular Products | 500 mg | — | Powder |
| Double Bonded Protein Chocolate | Mt. Capra | 491 mg | — | Powder |
| BioSteel Hydration Mix White Freeze Flavor | BioSteel | 460 mg | — | Powder |
| 100% Whey Protein Fuel Vanilla Slam | Twinlab | 460 mg | — | Powder |
| BioSteel Hydration Mix Mixed Berry Flavor | BioSteel | 460 mg | — | Powder |
| 100% Whey Protein Fuel Strawberry Smash | Twinlab | 460 mg | — | Powder |
| BioSteel Hydration Mix Rainbow Twist Flavor | BioSteel | 460 mg | — | Powder |
| Whey Protein Vanilla Peanut Butter | HTLT | 454 mg | — | Powder |