Skip to content

D-Phenylalanine

amino acid

7
products
Updated April 2026

Dosage Range

10 mgavg 211.4 mg500 mg

D-Phenylalanine is found in 15 supplement products from 4 brands. Dosages range from 10 to 500 mg, with an average of 211.4. The most common form is Tablet or Pill.

Top 5 Highest-Dosage D-Phenylalanine Supplements

  1. D-Phenylalanine 500 mg by Doctor's Best500 mg
  2. Neuro-Natural Serenity by Xtendlife149 mg
  3. Neuro-Natural General by Xtendlife149 mg
  4. Neuro-Natural Sleep by Xtendlife79 mg
  5. Cephalgesic by Ecological Formulas30 mg

D-Phenylalanine 500 mg by Doctor's Best has the highest D-Phenylalanine dosage at 500 mg. Best D-Phenylalanine by Doctor's Best has the lowest at 500 mg.

All Products

showing 7 of 7
Neuro-Natural SerenityXtendlife
149 mg DVTablet or Pill
Neuro-Natural GeneralXtendlife
149 mg DVTablet or Pill
Neuro-Natural SleepXtendlife
79 mg DVTablet or Pill
Best D-PhenylalanineDiscontinuedDoctor's Best
500 mg DVCapsule

Frequently Asked Questions

How many products contain D-Phenylalanine?

There are 15 supplement products containing D-Phenylalanine from 4 brands in the NIH DSLD database.

What is the average D-Phenylalanine dosage?

The average D-Phenylalanine dosage across supplement products is 211.4 mg. Dosages range from 10 to 500 mg.

What is the most common form for D-Phenylalanine supplements?

The most common product form for D-Phenylalanine supplements is Tablet or Pill.

What brands make D-Phenylalanine supplements?

There are 4 brands that make supplements containing D-Phenylalanine in the NIH DSLD database.

Related Ingredients

Explore More

Quick Facts

Products
15
Brands
4
Avg Dose
211.4 mg
Common Form
Tablet or Pill
Category
amino acid