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NOW Foods

L-Phenylalanine

Item: NWF765

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Swanson $6.29
Retail $8.99
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500 mg 60 Caps

  • Nervous system support

  • Supports positive mood

  • Free-form
L-Phenylalanine is an essential amino acid that can be readily converted into the amino acid tyrosine. Because tyrosine is necessary for the synthesis of proteins and the production of the neurotransmitters dopamine and norepinephrine, phenylalanine is an extremely important nutrient that must be obtained through the diet or supplementation.

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Product Description:

L-Phenylalanine

  • Nervous system support

  • Supports positive mood

  • Free-form
L-Phenylalanine is an essential amino acid that can be readily converted into the amino acid tyrosine. Because tyrosine is necessary for the synthesis of proteins and the production of the neurotransmitters dopamine and norepinephrine, phenylalanine is an extremely important nutrient that must be obtained through the diet or supplementation.

Product Label:

L-Phenylalanine

Supplement Facts

Serving Size 1 Capsule

  Amount Per Serving % Daily Value
L-Phenylalanine (Free-Form) 500 mg

†Daily Value not established.

Other Ingredients: Gelatin (capsule).

Suggested usage: As a dietary supplement, take 1 capsule 1 to 3 times daily as needed.

Caution: Persons with high blood pressure should consult a physician before using.

Contains no sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives.

Terms and Ingredient Definitions

L-Phenylalanine

Swanson $6.29
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NOW Foods L-Phenylalanine Reviews

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Rated 4.3 out of 5 by 8 reviewers.
Rated 5 out of 5 by good product This is a very good product, it really works. December 8, 2013
Rated 1 out of 5 by TRY IT. . . . YOU'LL - - - The old expression, "Try it; you'll like it," doesn't apply here for me. I tried L-Phenylalanine, and I don't like it. I tried the different top quality brands of L-Phenylalanine 500 mg. capsules over the years, most recently this one from NOW. I don't know why I thought there might be a difference among them. I know better. I love pure, crystalline free-form Amino Acids. I take a lot of them. I get great results from them. But not L-Phenylalanine. I'll stick with the other Amino Acids that I take and like a lot, the ones that always work for me, and always have for many decades. Personally, if I want what the product descriptions that accompany all the L-Phenylalanine products on Swanson's website state, I go DIRECTLY to L-Tyrosine, accompanied by L-Glutamine. I don't choose to go through L-Phenylalanine to get there. NOPE. I TRIED IT. . . . DIDN'T LIKE IT. July 11, 2013
Rated 4 out of 5 by Low cost, high value This supplement has helped me for many years. It doesn't cost much, but it is so very effective. When I try to drop the dosage or skip a dose for whatever reason, I notice it within a half a day. June 6, 2013
Rated 5 out of 5 by well pleased I take this daily. I was looking for a good brand at a good price, and I found it with this product. March 24, 2013
Rated 5 out of 5 by this is my happy camper supplement along with tyrosine. Amino acids have been a lifesaver for me. As usual always get the L form which is the natural version of aminos. October 11, 2012
Rated 5 out of 5 by Wonderful product works great! This product does what it claims to do, and does it very quickly. I've taken this supplement twice and both times have noticed an excellent increase in mood. This product is great! August 11, 2011
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