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 1 of 5), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.
- Advanced Therapeutics SynaptaLean Rx-Fat LossNatures Plus · off the marketin a blend
- Advanced Therapeutics SynaptaLean Rx-Fat LossNaturesPlusin a blend
- All Day Energy CapsNature's Plus · off the marketin a blend
- Alpha EAA Blueberry LemonadeNutraBio300 mg
- Alpha EAA Cherry Lime SlushNutraBio300 mg
- Alpha EAA Dragonfruit CandyNutraBio · off the market300 mg
- Alpha EAA Grape Berry CrushNutraBio · off the market300 mg
- Alpha EAA New York PunchNutraBio · off the market300 mg
- Alpha EAA Peach TeaNutraBio300 mg
- Alpha EAA Strawberry Lemon BombNutraBio · off the market300 mg
- Amino 21DaVinci Laboratories Of Vermont · off the market30 mg
- Amino K.E.M.Evogen250 mg
- Amino Kick Baja BurstNutraBio50 mg
- Amino Kick Grape Berry CrushNutraBio Performance50 mg
- Amino Kick Passionfruit PineappleNutraBio50 mg
- Amino Kick Raspberry LemonadeNutraBio50 mg
- Appe-CurbXYMOGEN · off the market1,000 mg
- Appe-CurbNuMedica1,000 mg
- Appetite Control FormulaNHC Natural Healthy Concepts1,000 mg
- ArthritinVAXA100 mg
- Arthro-SynDouglas Laboratories100 mg
- Atro-phexBSNin a blend
- Black Mamba HyperrushInnovative Bio-Labs · off the marketin a blend
- Body ComfortMeehan Formulations500 mg
- Body Comfort FormulaBioFactor · off the market500 mg
- Brain EnergyPhysician's Preference · off the market600 mg
- Brain EnergyDouglas Laboratories300 mg
- Brighten UpMichael's Naturopathic Programsin a blend
- CarbCrave ComplexPure Encapsulations250 mg
- Cognitive AminosPure Encapsulations250 mg
- COX FreeVinco's · off the market500 mg
- Crave Be Gone Natural Tangerine Splash FlavorRenew Lifein a blend
- Crave ControlHoltraCeuticals300 mg
- Crave EzeCrystal Star30 mg
- CuraminTerry Naturallyin a blend
- Curamin Athletic PainTerry Naturallyin a blend
- Curamin Enhanced Whey Protein Silky Smooth VanillaTerry Naturallyin a blend
- Curamin Extra StrengthTerry Naturallyin a blend
- Curamin Extra Strength + CaffeineTerry Naturallyin a blend
- Curamin HeadacheTerry Naturallyin a blend
- Curamin Headache FormulaTerry Naturally · off the marketin a blend
- Curamin Headache ReliefTerry Naturallyin a blend
- Curamin Headache Relief + CaffeineTerry Naturallyin a blend
- Curamin Low Back PainTerry Naturallyin a blend
- Curamin PMTerry Naturallyin a blend
- CuraphenEuroMedicain a blend
- Curaphen Extra StrengthEuroMedicain a blend
- Curaphen PMEuroMedicain a blend
- D, L-Phenylalanine 500 mgLife Extension500 mg
- D, L-Phenylalanine 750 mgMetabolic Maintenance750 mg