Working...

Get Seacoast Direct

L-phenylalanine is an essential amino acid for brain support..
Full price 29.75
Savings 25%

D,L-Phenylalanine (100 grams powder)*

This product has been discontinued.
Seacoast recommends an excellent replacement. Click here.
Sorry! This item has been discontinued. See below.

LifeExtension- Nutritional Supplements, Antiaging, Health and Nutrition

D,L-Phenylalanine Powder

L-phenylalanine is an essential amino acid which can be converted to L-tyrosine by a complex biochemical process which takes place in the liver. 

Supplement Facts

Serving Size 1 teaspoonAmount Per ServingDL-phenylalanine2700 mgThis product contains NO sugar, yeast, wheat, gluten, corn, soy or dairy. Contains NO artificial color, sweeteners, flavors or preservatives.

By Marianne Watkins - Flag 
Comments? Question?
Updated Jul. 20, 2016, about 10 years ago

SKU: 132
UPC: 737870132103
Distributed or manufactured from Life Extension. See more Life Extension products.

Compare to these:

L-Phenylalanine (500 mg-50 tabs)*
L-Phenylalanine (500 mg-50 tabs)* Source Naturals


 5.08 
Source Naturals
D,L-Phenylalanine Plus (with Vitamin C) (100 grams powder)*
D,L-Phenylalanine Plus (with Vitamin C) (100 grams powder)* Life Extension


 19.50 
Life Extension
L-Phenylalanine (500 mg-100 tabs)*
L-Phenylalanine (500 mg-100 tabs)* Source Naturals


 9.09 
Source Naturals

Be the first to tell us your thoughts.Add your testimonial

Questions and answers:

Explore More Products

D,L-Phenylalanine (500 mg 100 vcapsules)*
D,L-Phenylalanine (500 mg 100 vcapsules)* Life Extension


 14.10 
Life Extension
D,L-Phenylalanine Plus (with Vitamin C) (100 grams powder)*
D,L-Phenylalanine Plus (with Vitamin C) (100 grams powder)* Life Extension


 19.50 
Life Extension
GABA Powder (Gamma-Amino Butyric Acid) (100 grams powder)*
GABA Powder (Gamma-Amino Butyric Acid) (100 grams powder)* Life Extension


 17.85 
Life Extension

phenylalanine2700 servingdl mgthis teaspoonamount, phenylalanine l biochemical takes, lifeextension antiaging sweeteners which
1. Statements and claims on Seacoast.com have not been evaluated by the FDA and are not intended to treat or diagnose any ailment or disease.

What interests you?

Floravital Iron & Herbs yeast free ( 8.5 oz) Flora Health, Floradix

SMart Q10 Vitaline CoQ10 Chewable 200mg (30 tabs) Enzymatic Therapy

Steel Libido for Women (75 softgels)* Irwin Naturals

Mega Nutrient | Nature’s Way Alive Multivitamin
Alive Multi Vitamin from Nature's Way is the complete daily multivitamin containing the best ingredients from whole-food sources.

Sambucol Cold & Flu Fighter
Sambucol. World renowned original formula, clinically tested, virologist developed. Boost immunity. Unique black elderberry extract rich in immune supporting flavonoids. Cold & Flu Season Special.

Bone-Up (240 capsules) Jarrow Formulas

Wobenzym | Systemic Enzymes | Wobenzym N
Wobenzym N is the authentic systemic enzyme formula developed by Mucos Pharma in Germany and trusted by millions of people worldwide for over 40 years. Free Shipping on all Wobenzym orders with delivery inside the United States.

Borage Oil (60 soft gels) Barleans Organic Oils

Ideal Bowel Support 299v (30 vcaps) Jarrow Formulas

Life Extension Mix Tablets (315 tablets)* Life Extension

PRID (18 g) Hylands

Vitamineral GREEN Capsules Version 5.3(400 v-caps)* HealthForce Nutritionals

Iberogast | Digestive Relief with Iberis Amara | Clown’s Mustard
Iberogast Original Formula Every Day Lowest Price 40% Discount Seacoast Vitamins Direct Price.

Ultra Natural Prostate with ApresFlex and Standardized Lignans*(60 softgels) Life Extension

Healthy Prostate & Ovary (180 tabs) NutriCology

SoFresh Adult Flossing Toothbrush (Soft) OraMedix Inc.

Happy Camper, 120 Veggie Caps Natural Balance

Infection Formula (100 Caps) Christophers Original Formulas

Skin Restoring Phytoceramides with Lipowheat (30 veggie liquid caps)* Life Extension

Vitamin D3 Complete Daily Balance (60 caps)* NutriCology

ProOmega Junior (90 Soft Gels)* Nordic Naturals

Best Acetyl L-Carnitine featuring Sigma Tau Carnitine (588 mg)(120 capsules) Doctor's Best

B12 Strips (1000 mcg, 30 fast dissolve strips) Essential Source

Added Attention (16 fl.oz.) Buried Treasure

Blood Builder (90 tabs)* MegaFood

Ozonated Jojoba Oil (2 oz / 59 ml) purO3