Menu
The #1 Vitamin & Supplement Comparison SiteSearch & Find
Compare & Buy
Saved productsSaved productsSaved Products
HomeArrowLife Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules
Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules
Life Extension
Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules
$14.25
Gluten FreeNon GMO LE CertifiedEnhances MoodDietary SupplementWhat Is D, L-Phenylalanine Capsules?Phenylalanine is an essential amino acid, which means your body can’t produce sufficient amounts and requires it from an external source. It’s converted to L-tyrosine in the liver, which is then converted into dopamine, norepinephrine and epinephrine (adrenaline) hormones that can become depleted for a variety of reasons. Replenishing norepinephrine in the brain can support brain health.The neurotransmitters produced from phenylalanine supplementation bring a wide range of cognitive health benefits.D, L-Phenylalanine BenefitsSupports production of L-tyrosine, which is used to make dopamine, norepinephrine & epinephrineHelps promote healthy mood & sleepSupports healthy cognitive functionProvides protection for brain cells

Brand new and unopend item.
iHerb.com

What is Compare Supps?

We are the largest vitamin and supplement search engine in the US. Here, you can search and compare the products you already love or find new ones from our large variety of products. One thing is guaranteed: we will get you the best deals.

Why do we exist/what value do we bring?

We noticed that oftentimes vitamins & supplements were overpriced and customers were overpaying. Compare Supps wants to help you stop overpaying for your health products! Whether you’re unfamiliar with the supplement industry and don’t know what products should cost or you’re a supplement expert and are always looking for the best prices; you can find it with us. We bring the complex and varied selection of supplements on the market into one place where you can find anything and everything at the best price.

How do we work?

Compare Supps organizes the products from the countries best and biggest vitamin and supplement sellers, so you can see them all in one place. You don’t pay anything extra, but we get a small commission for each sale. All of the shops on Compare Supps are trusted, established sellers that you can count on.

More like this
StarNOW Foods, L-Phenylalanine, 500 mg, 120 Veg CapsulesNOW Foods, L-Phenylalanine, 500 mg, 120 Veg Capsules
Nervous System SupportFree FormNon-GMOA Dietary SupplementVegetarian/VeganKosherAmino AcidsFamily Owned Since 1968GMP Quality AssuredL-Phenylalanine is an essential amino acid that is necessary for…
$12.24
Order
iHerb.com
StarSource Naturals, L-Phenylalanine, 100 TabletsSource Naturals, L-Phenylalanine, 100 Tablets
500 mgDietary SupplementFree FormAn Essential Amino AcidSuitable For Vegetarians L-Phenylalanine, an essential amino acid, is a precursor of the amino acid tyrosine and a whole series of…
$9.07
Order
iHerb.com
StarProtocol for Life Balance, Ortho Focus, 90 CapsulesProtocol for Life Balance, Ortho Focus, 90 Capsules
With Amino Acids, Ginkgo and DMAENeurotransmitter SupportNon-GMOA Dietary SupplementHow It Works: Norepinephrine and dopamine are key neurotransmitters for the maintenance of alertness and mental…
$22.00
Order
iHerb.com
StarNutraBio, L-Tyrosine, 5.3 oz (150 g)NutraBio, L-Tyrosine, 5.3 oz (150 g)
Pure Grade Amino AcidHPLC Lab Tested for PotencyFree of Harmful Impurities150 g PowderAmino Acid SupplementKosherVegetarianGluten FreeNon-GMOLactose FreeSince 1996L-Tyrosine is an amino acid which…
$14.99
Order
iHerb.com
StarSource Naturals, DLPA, 60 TabletsSource Naturals, DLPA, 60 Tablets
Dietary SupplementDL-PhenylalanineSupports an Alert State750 mg DL-Phenylalanine, or DLPA, is a 50/50 mixture of the D- and L- forms of the amino acid phenylalanine (phenylalanine is one of the few…
$13.09
Order
iHerb.com
StarSwanson, DL-Phenylalanine, 500 mg, 100 CapsulesSwanson, DL-Phenylalanine, 500 mg, 100 Capsules
Brain SupportDietary SupplementTotal wellness for mind, body & homeUnsurpassed purity & potencyScience-Backed Quality Since 1969Get a nutritional boost with Swanson DL- Phenylalanine (DLPA)! A great…
$10.49
Order
iHerb.com
StarSource Naturals, DLPA, 120 TabletsSource Naturals, DLPA, 120 Tablets
Dietary SupplementDL-PhenylalanineSupports An Alert State375 mg DL-Phenylalanine, or DLPA, May support healthy levels of endorphins and enkephalins, compounds naturally produced by the body that…
$14.07
Order
iHerb.com
StarCarlson, DLPA, DL-Phenylalanine, 500 mg, 60 CapsulesCarlson, DLPA, DL-Phenylalanine, 500 mg, 60 Capsules
Dietary SupplementHealthy MoodCognitive FunctionEnergy SupportGluten-FreeNo Artificial PreservativesPotency & Quality GuaranteedAn FDA Regulated FacilityDLPA contains two forms of the amino acid…
$12.27
Order
iHerb.com
StarBrainMD, Tyrosine, 120 Capsules (500 mg per Capsule)BrainMD, Tyrosine, 120 Capsules (500 mg per Capsule)
Brain Directed NutritionBy Daniel Amen, MDCognitive and Stress SupportDietary SupplementPromotes Healthy Emotional BalanceSupports Mental Focus Under ChallengeSupports Healthy Adrenal Gland…
$20.95
Order
iHerb.com
StarSource Naturals, L-Tyrosine, 500 mg, 100 TabletsSource Naturals, L-Tyrosine, 500 mg, 100 Tablets
Dietary SupplementFree FormAmino AcidL-Tyrosine is a free-form amino acid which crosses the blood-brain barrier. It is a precursor for the motivational neurotransmitters dopamine, norepinephrine,…
$9.74
Order
iHerb.com

Compare-supps.com
Find the best supplements for the best price.
Privacy PolicyTwitterFacebookInstagram