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D,L-Phenylalanine Capsules 500 Mg - 100 Vegetarian Capsules - Life Extension

£22.96
Product code: DLPC500-100LE

Availability: In Stock

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Quick Overview

L-phenylalanine is an essential amino acid that cannot be naturally manufactured by your body. It needs to be acquired via external sources and then converted within your body through several steps. It begins in the liver, where it is converted to L-tyrosine. The process continues in the brain and adrenal glands, where L-tyrosine can be converted to dopamine, norepinephrine and epinephrine (adrenaline hormone). These hormones are often reduced by stress, overwork and certain drugs and need to be replenished. Norepinephrine, for example, enhances mental energy levels that often induce a feeling of contentment. The conversion step from L-tyrosine to norepinephrine may be enhanced if the co-factors (vitamins B6 and C) are included.

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Description D,L-Phenylalanine Capsules 500 Mg - 100 Vegetarian Capsules - Life Extension

Supplement Facts
Serving Size: 
 1 capsule
Servings Per Container:
 100 servings

 Amount Per Serving%Daily Value
D,L-phenylalanine500 mg
Other Ingredients

Rice powder, modified cellulose (vegetarian capsule), magnesium stearate (vegetable source), silicon dioxide.

The black pepper fruit extract used in this product is BioPerine, a patented standardized extract containing 95% piperine from Sabinsa Corp.

Non-GMO and gluten free

Contains nothing other than listed ingredients

†Daily Value not established.


L-phenylalanine is an essential amino acid that cannot be naturally manufactured by your body. It needs to be acquired via external sources and then converted within your body through several steps. It begins in the liver, where it is converted to L-tyrosine. The process continues in the brain and adrenal glands, where L-tyrosine can be converted to dopamine, norepinephrine and epinephrine (adrenaline hormone).  Norepinephrine, for example, enhances mental energy levels that often induce a feeling of contentment. The conversion step from L-tyrosine to norepinephrine may be enhanced if the co-factors (vitamins B6 and C) are included.

Cells in the adrenal medulla synthesise and secrete norepinephrine and epinephrine. Because norepinephrine and epinephrine can cause smooth muscle (arterial) contraction, supplementing with L-phenylalanine is not recommended for individuals prone to high blood pressure. D,L-phenylalanine is a 50/50 mixture of the stereoisomers D-phenylalanine and L- phenylalanine.



Recommended dosage

Suggested daily intake is one (1) capsule before breakfast or as recommended by a medical practitioner. For maximum benefits, it is best if this product is taken in combination with vitamins B6 and C.

Additional Information D,L-Phenylalanine Capsules 500 Mg - 100 Vegetarian Capsules - Life Extension



EAN Code737870167112
Manufacturer Part Number1671
Original Product NameD,L-Phenylalanine Capsules 500 Mg - 100 Vegetarian Capsules - Life Extension
Core Product NameL-Phenylalanine
Product CategoryAmino Acids
SKUDLPC500-100LE
BrandLife Extension
Product TypeFood supplement
Weight (grams)500.0000
Package Quantity1
Package Size100
Type of unitsCapsules
Product Criteria100% Organic, 100% Vegetarian
AllergiesNo
Does not containNo
Country of ManufactureUnited States
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