Life Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 Capsules
Life Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 Capsules
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Life Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 Capsules

4.8 stars out of 35 reviews
(4.8)|
35 ratings

Key item features

  • Neurotransmitters – Phenylalanine is an amino acid. The liver converts it to L-tyrosine, which your body uses to make the neurotransmitters dopamine, norepinephrine and adrenaline.
  • Mood health – Phenylalanine supplementation helps your body synthesize neurotransmitters like dopamine. Studies suggest phenylalanine promotes mood health. 
  • Brain health – Phenylalanine also supports norepinephrine production. Norepinephrine protects brain cells by promoting a healthy inflammatory response and inhibiting oxidative stress. 
  • Ingredients matter – We use only pure, high-quality ingredients. The majority of our products are non-GMO and gluten-free—and a Certificate of Analysis is available for every one.
  • Live your healthiest life - For over 40 years, we’ve been developing advanced, effective formulas made with the highest standards and based on the latest scientific findings. We believe the answers to a healthier, richer life are within reach, and that rigorous scientific research is the path to get us there. That’s why so many of our nutritional formulas are designed using specific ingredients and amounts based on scientific studies.
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Life Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 Capsules
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Comparison Chart:
Size0.2 lbsLife Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 Capsules4.40NOW Foods L-Phenylalanine -- 500 mg - 120 Capsules50Life Extension Acetyl-L-Carnitine, Acetyl-L-Carnitine, vitamin C, Brain, mood & nerve health, cellular energy, 3-month supply, Gluten-Free, Non-GMO, Vegetarian, 100 Capsules1 PackSwanson Dl-Phenylalanine 500 mg 100 Capsules60 CapsulesNatures Craft 500 mg L-Tyrosine Amino Acid Supplement for Energy and Focus Support, 60 Capsules240 CapsulesBulkSupplements DL-Phenylalanine Capsules - Gluten Free, 500mg per Serving (240 Capsules - 120 Servings)90 Count (Pack of 1)Taurine, 1000 mg, heart & brain health, blood pressure health support, muscle & exercise performance, essential amino acid, vegetarian, 90 capsules100 Count (Pack of 1)Life Extension L-Glutamine, 500 mg L-glutamine, amino acid, supports muscle health and immune health, gluten-free, non-GMO, 100 vegetarian capsules500 mgL-Tyrosine 500 Mg Free Form Amino Acid Dietary Supplement Tablets, 100 Ea180 CapsulesNova Nutritions L-Tyrosine 500 mg 180 Capsules
Enteral medication formCapsulesLife Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 CapsulesCapsulesNOW Foods L-Phenylalanine -- 500 mg - 120 CapsulesCapsulesLife Extension Acetyl-L-Carnitine, Acetyl-L-Carnitine, vitamin C, Brain, mood & nerve health, cellular energy, 3-month supply, Gluten-Free, Non-GMO, Vegetarian, 100 CapsulesCapsulesSwanson Dl-Phenylalanine 500 mg 100 CapsulesCapsulesNatures Craft 500 mg L-Tyrosine Amino Acid Supplement for Energy and Focus Support, 60 CapsulesCapsulesBulkSupplements DL-Phenylalanine Capsules - Gluten Free, 500mg per Serving (240 Capsules - 120 Servings)CapsulesTaurine, 1000 mg, heart & brain health, blood pressure health support, muscle & exercise performance, essential amino acid, vegetarian, 90 capsulesCapsulesLife Extension L-Glutamine, 500 mg L-glutamine, amino acid, supports muscle health and immune health, gluten-free, non-GMO, 100 vegetarian capsulesTabletsL-Tyrosine 500 Mg Free Form Amino Acid Dietary Supplement Tablets, 100 EaCapsulesNova Nutritions L-Tyrosine 500 mg 180 Capsules
Primary ingredientD,L-phenylalanineLife Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 CapsulesDLPANOW Foods L-Phenylalanine -- 500 mg - 120 CapsulesL CarnitineLife Extension Acetyl-L-Carnitine, Acetyl-L-Carnitine, vitamin C, Brain, mood & nerve health, cellular energy, 3-month supply, Gluten-Free, Non-GMO, Vegetarian, 100 CapsulesDLPASwanson Dl-Phenylalanine 500 mg 100 CapsulesL-tyrosineNatures Craft 500 mg L-Tyrosine Amino Acid Supplement for Energy and Focus Support, 60 CapsulesDL-PhenylalanineBulkSupplements DL-Phenylalanine Capsules - Gluten Free, 500mg per Serving (240 Capsules - 120 Servings)TaurineTaurine, 1000 mg, heart & brain health, blood pressure health support, muscle & exercise performance, essential amino acid, vegetarian, 90 capsules-Life Extension L-Glutamine, 500 mg L-glutamine, amino acid, supports muscle health and immune health, gluten-free, non-GMO, 100 vegetarian capsulesl-TyrosineL-Tyrosine 500 Mg Free Form Amino Acid Dietary Supplement Tablets, 100 EaL-TyrosineNova Nutritions L-Tyrosine 500 mg 180 Capsules
Medicine strength500mgLife Extension D, L-Phenylalanine Capsules, 500 mg – Supports Mood Health, Promotes Neurotransmitter Health – Gluten-Free, Non-GMO, Vegetarian – 100 Capsules500mgNOW Foods L-Phenylalanine -- 500 mg - 120 Capsules-Life Extension Acetyl-L-Carnitine, Acetyl-L-Carnitine, vitamin C, Brain, mood & nerve health, cellular energy, 3-month supply, Gluten-Free, Non-GMO, Vegetarian, 100 Capsules500mgSwanson Dl-Phenylalanine 500 mg 100 Capsules-Natures Craft 500 mg L-Tyrosine Amino Acid Supplement for Energy and Focus Support, 60 Capsules-BulkSupplements DL-Phenylalanine Capsules - Gluten Free, 500mg per Serving (240 Capsules - 120 Servings)1000mgTaurine, 1000 mg, heart & brain health, blood pressure health support, muscle & exercise performance, essential amino acid, vegetarian, 90 capsules500mgLife Extension L-Glutamine, 500 mg L-glutamine, amino acid, supports muscle health and immune health, gluten-free, non-GMO, 100 vegetarian capsules-L-Tyrosine 500 Mg Free Form Amino Acid Dietary Supplement Tablets, 100 Ea500mgNova Nutritions L-Tyrosine 500 mg 180 Capsules
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Customer ratings & reviews

4.8 out of 5 stars
stars35 ratings32 reviews
How item rating is calculated
  1. 5 stars83% (29)
  2. 4 stars14% (5)
  3. 3 stars3% (1)
  4. 2 stars0% (0)
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Showing 1-3 of 32 reviews

Nov 25, 2019
mark
5 out of 5 stars review

Seller Verified Purchase

This is a very good DLPA choice for mood elevation

I take this occasionally on an empty stomach with coffee to help with mood elevation and focus. I can feel it's affects within 20 minutes; greater mental clarity, focus and sense of well-being. [This review was collected as part of a promotion.]

Review from lifeextension.com
Helpful?72V6XEPSVBTV31172066
Mar 19, 2020
BRUCE
5 out of 5 stars review

Seller Verified Purchase

Getting older does not mean slowing down completely

In my mid-70s I am looking for excellent supplements like this to aid in the production of dopamine, norepinephrine and epinephrine (neurotransmitters). #sweepstakes [This review was collected as part of a promotion.]

Review from lifeextension.com
Helpful?72V6XEPSVBTV31172066
Nov 25, 2019
mark
5 out of 5 stars review

Seller Verified Purchase

This is a very good DLPA choice for mood elevation

I take this occasionally on an empty stomach with coffee to help with mood elevation and focus. I can feel it's affects within 20 minutes; greater mental clarity, focus and sense of well-being.

Review from Life Extension
Helpful?72V6XEPSVBTV31172066