amino acid
DL-phenylalanine supplements
Half of the 155 DL-phenylalanine supplements in the NIH label database that print an amount list 300 mg or less per serving; the middle half list 135 mg to 500 mg (DSLD version 9.4.0, January 2026). The 30 products whose only supplement ingredient is DL-phenylalanine list a median of 500 mg.
- Products listing it
- 237155 print an amount; 82 list it inside a blend without an amount
- Median per serving
- 300 mgmiddle half 135 mg to 500 mg
How much DL-phenylalanine do supplements contain?
The median product lists 300 mg per serving. One in ten lists 50 mg or less, one in ten 750 mg or more. The amount printed most often is 300 mg (42 products).
Products by amount of DL-phenylalanine per serving
155 products, log scale; extreme 0.2% at each end left out of the drawing.
| Amount per serving | Products | For example |
|---|---|---|
| 300 mg | 42 | Intra Blast Raw Unflavored (NutraBio); Intra Blast Green Apple (NutraBio); Brain Energy (Douglas Laboratories) |
| 500 mg | 32 | DLPA 500 mg (Vitamin World); D,L-Phenylalanine 500 mg (Martin Avenue Pharmacy); DL-Phenylalanine 500 mg (Intensive Nutrition) |
| 100 mg | 17 | Arthro-Syn (Douglas Laboratories); Arthritin (VAXA); Higher Mind With Phosphatidylserine (Source Naturals) |
| 250 mg | 9 | PMA Positive Mental Attitude (Viva Vitamins); UpLift Pro (Vera's Formulations); Dr. Wilson's Dynamite Adrenal (Allergy Research Group) |
| 750 mg | 9 | Weight-Less (Douglas Laboratories); DLPA DL-Phenylalanine (AB American Biologics); D,L-Phenylalanine 750 mg (Metabolic Maintenance) |
| 50 mg | 8 | Formula FM (Rx Vitamins); Mr Hyde Intense Energy Shot Blue Razz (PS ProSupps); Mr Hyde Intense Energy Shot Fruit Punch (ProSupps) |
| 1,000 mg | 8 | DLPA Caps 1000 mg (Country Life); Focus DL (NS NeuroScience); DLPA 500 mg (Best Naturals) |
| 600 mg | 4 | DL-Phenylalanine (Biotics Research Corporation); Vitalyze (SNAC Nutrition) |
| 25 mg | 3 | Source of Life Energy Shot Natural Tropical Fruit Flavor (NaturesPlus) |
| 30 mg | 3 | Withdrawal Support (Crystal Star); Crave Eze (Crystal Star) |
Source: Supplement Facts rows of every product's current label, NIH ODS Dietary Supplement Label Database version 9.4.0; amounts in one measure (weight).
Which products list the most DL-phenylalanine?
On-market products, per serving, with a plausible amount: the rule leaves out likely entry slips, such as an amount far beyond every other label with no %DV or strength on the label to back it (each product page still shows its own amount, marked).
- DLPA Caps 1000 mgCountry Life1,000 mg
- Focus DLNS NeuroScience1,000 mg
- DLPA 500 mgBest Naturals1,000 mg
- DL-PhenylalaninePure Encapsulations1,000 mg
- Appetite Control FormulaNHC Natural Healthy Concepts1,000 mg
- UltraLean Appetite ControlNutra BioGenesis1,000 mg
- Appe-CurbNuMedica1,000 mg
- Weight-LessDouglas Laboratories750 mg
In which products and brands?
Products listing DL-phenylalanine by DSLD product type
Brands listing it most: NutraBio (38), Pure Encapsulations (7), Morphogen Nutrition (5), Viva Vitamins (4), Douglas Laboratories (4), Source Naturals (4), SNAC Nutrition (3), BulkSupplements.com (3), ProSupps (2), Nature's Plus (2).
Every product listing DL-phenylalanine
237 products, A to Z by name (page 2 of 5), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- D,L-Phenylalanine 500 mgMartin Avenue Pharmacy500 mg
- D,L-Phenylalanine 750 mgMetabolic Maintenance750 mg
- Daily Pure Pack PureLean Weight SupportPure Encapsulations375 mg
- Diablos Hyperburn 6.0Innovative Laboratoriesin a blend
- DL- Phenylalanine 500 mgSwanson Premium Brand500 mg
- DL-PheineDouglas Laboratories500 mg
- DL-PhenylalanineThorne Research · off the market550 mg
- DL-PhenylalanineBiotics Research Corporation600 mg
- DL-PhenylalaninePureBulk.com375 mg
- DL-PhenylalanineDaVinci Laboratories Of Vermont750 mg
- DL-PhenylalaninePure Encapsulations1,000 mg
- DL-PhenylalanineBulkSupplements.com500 mg
- DL-Phenylalanine 500 mgGood 'N Natural · off the market500 mg
- DL-Phenylalanine 500 mgIntensive Nutrition500 mg
- DL-Phenylalanine 500 mgThe Vitamin Shoppe500 mg
- DL-Phenylalanine 500 mgWonder Laboratories500 mg
- DL-Phenylalanine 500 mg CapsulesBulkSupplements.com500 mg
- DL-Phenylalanine 750 mgAN Amazing Nutrition Amazing Formulas750 mg
- DL-Phenylalanine 750 mgDaVinci Laboratories0.75 mg
- DL-Phenylalanine Powder 250 gramsNootropics Depot500 mg
- DlpaCarlson · off the market500 mg
- DLPA (DL-Phenylalanine) 750 mgBIOVEA750 mg
- DLPA 375 mgSource Naturals750 mg
- DLPA 500 mgVitamin World500 mg
- DLPA 500 mgSolgar500 mg
- DLPA 500 mgBest Naturals1,000 mg
- DLPA 500 mgBluebonnet500 mg
- DLPA 500 mgViva Vitamins500 mg
- DLPA 750 mgSource Naturals750 mg
- DLPA Caps 1000 mgCountry Life1,000 mg
- DLPA ComplexHigher Nature225 mg
- DLPA DL-PhenylalanineAB American Biologics750 mg
- DLPA DL-Phenylalanine 500 mgCarlson500 mg
- DLPA DL-Phenylalanine 500 mgSolaray500 mg
- DLPA DL-Phenylalanine Capsules 500 mgBulkSupplements.com500 mg
- Dr. Wilson's Dynamite AdrenalAllergy Research Group250 mg
- Dr. Wilson's Dynamite AdrenalNutriCology250 mg
- DyflaminolTerry Naturallyin a blend
- DynagesicDNA Dynamic Nutritional Associatesin a blend
- EAA + BCAA OrangePure Power250 mg
- EAA Natural Raw UnflavoredNutraBio · off the market300 mg
- EAA Natural Strawberry LemonadeNutraBio · off the market300 mg
- EAA Pure Blue RaspberryNutraBio300 mg
- EAA Pure Cherry LimeadeNutraBio300 mg
- EAA Pure Dragonfruit CandyNutraBio300 mg
- EAA Pure Grape Berry CrushNutraBio300 mg
- EAA Pure Raspberry LemonadeNutraBio300 mg
- EAA Pure Strawberry Lemon BombNutraBio300 mg
- EAA Raw UnflavoredNutraBio300 mg
- EAA Strawberry LemonadeNutraBio300 mg