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🧠 Elevate your mind, fuel your day — don’t get left behind!
NOW Foods L-Phenylalanine delivers 500 mg of a vital amino acid per vegan capsule, designed to support neurotransmitter production for optimal nervous system function. Free from common allergens and manufactured under GMP-certified conditions, this supplement is a clean, reliable choice for professionals seeking enhanced mood, focus, and cognitive resilience.




| ASIN | B000JCN2MW |
| ASIN | B000JCN2MW |
| Age Range Description | Adult |
| Allergen Information | Dairy Free, Egg Free, Gluten Free, Nut Free, Soy Free |
| Best Sellers Rank | #40,550 in Health & Household ( See Top 100 in Health & Household ) #634 in Amino Acid Nutritional Supplements #1,593 in Mineral Supplements #2,549 in Sales & Deals |
| Brand Name | NOW Foods |
| Color | White |
| Container Type | Bottle |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,222) |
| Date First Available | June 26, 2005 |
| Department | Health and Beauty>Health and Wellness |
| Diet Type | Gluten Free, Vegan |
| Dosage Form | 500 |
| Flavor | Unflavored |
| Is Discontinued By Manufacturer | No |
| Item Dimensions | 2.5 x 2.5 x 4.44 inches |
| Item Form | Capsule |
| Item Weight | 0.1 Kilograms |
| Item model number | 0132 |
| Manufacturer | NOW Sports - Nutrition and Wellness |
| Manufacturer | NOW Sports - Nutrition and Wellness |
| Manufacturer Part Number | P8251 |
| Material Features | Vegan |
| Material Type Free | egg free,gmo free,soy free,wheat free,gluten free |
| Model Name | upplements, L-Phenylalanine 500 mg, Nervous System Support*, Amino Acid, 120 Veg Capsules |
| Model Number | 0132 |
| Number of Items | 1 |
| Primary Supplement Type | multivitamin |
| Product Benefits | Stress Relief |
| Product Dimensions | 2.5 x 2.5 x 4.44 inches; 3.53 ounces |
| Special Ingredients | Amino Acid |
| Total Servings Per Container | 120 |
| UPC | 733739001320 |
| Unit Count | 120.00 Count |
A**R
Increase your IQ! Take morning and night!
I'm way smarter now than I was as a young person! I can't credit the keto diet entirely but I think it is the main factor. Taking this kind of supplement is second. It has repaired my brains and kept me sharp. I take it morning and night! Every single day!!
B**S
It Works
I am a 58 year old night-shift nurse battling to keep my mood up and my mental alertness sharp. I have experimented with other supplements with limited success. But phenylalanine is remarkable. Since taking phenylalanine I have noticed a positive shift in my mood, my outlook on life, and my general sense of well-being. A moment ago I woke up from my sleep with the first thought floating up out of mouth, “What a beautiful day!” That caused my to pause and consider what makes this day beautiful. Outwardly it is not different than any other day. Circumstances have not changed. I did not win the lottery. But here I was sitting up in my bed with this unfamiliar feeling of goodness—or feeling good. I feel good. I feel better. The day seems brighter. And I also sense a strange but welcomed flow of energy affecting my thought life. It is very mild, but noticeable. I am grateful to have found this product. And I hope this review will help others to make an informed decision on the purchase of phenylalanine.
M**Y
I've had good results with this product to decrease symptoms with asthma and allergies.
I have always had good results with NOW brands and usually a good price. I've used this product when I would get really ill with asthma and allergies. It pulled me out of serious "colds/flu" many times. Not a cure, but very helpful. I stopped using it for many years as I stopped being so ill, but Juniper allergies has me using it again. I recommend you ask a clinical nutritionist, or other wellness professional for advise in your particular situation as you may not have the same results I have with it. It was recommended in a book, "The Diet Cure." This is a health book about what supplements might help you with different health problems.
P**A
Organic products
I did feel side effects It make me feel weird like pressure on my chest and lost or confuse the nutritionist told me if I feel weird or anything out of normal to stop so I did. It can make some people like that. No digestive effects, ease to swallow. My dosage was one a day .
M**A
This review for those looking into the cog-enhancing effects of L-phenyl., rather than to reduce depression.
The following advice is for entertainment purposes only and should not be followed by anyone, anywhere, on any planet or nearby multiple universe, at any time. Ever. Never ever ever. Never. Are we good? ok, we're good. Read on. I've been looking for a replacement to the some of the cognitive-enhancing effects of those that were (before the FDA yet AGAIN banned an extremely useful and non-dangerous supplement just so we knew who was boss) in Piracetam or any other racetam's that were on the market up until a year ago. After purchasing L-Tyrosine, Alpha-GPC, 5-htp, NALT, Huperzine-A, and L-Phenylalanine to complement the caffeine, L-theanine, and Choline I had already been taking, I found my mark-money-wise-with this Product. To be sure, these do not touch the effects that Alpha-GPC and NALT had on my total stack for cognitive-enhancement; however, there's a little something called price. And for the price, the L-Phenyl will take you quite a long ways for the money. Alpha-GPC (a cholinergic)and NALT (a dopaminergic) both cross the blood-brain barrier relatively easy and along with the caffeine (as the "boost") and the L-theanine to reduce the anxiety that could result from the mix, that stack is far superior to taking L-Phenylalaline, caffeine, and L-theanine alone. I understand that I haven't spoken on the effects of this product and this product alone, and that's because these will not work alone for the reasons I've listed above without needing something else to kick the dopamine system into action. Because of this, I only use these to support my stack. On days requiring tasks I know will require the utmost mental capabilities, I use my preferred stack (caff/L-theanine/Alpha-GPC/NALT [works MUCH better if taken an hour before your caffeine and on an empty stomach). On days requiring me to be alert, but not necessarily at the top of my game (so, so sorry), I use my second preferred stack (caff/L-theanine/L-Phenyl or NALT.). If I'm particular drowsy, I eliminate the L-theanine and just go for the caff/L-Phenyl or NALT mix. The caffeine I use can be bought here (very cheaply, at about 10 cents per pill, which equals 200mg caffeine). It's straight caffeine, so if you're worried about not getting your anti-oxidants, you might want to stick with your mug of coffee. Also, buying the caffeine in pill form allows me to alter the effects somewhat (1/4 pill, 1/2 pill, etc.). Sometime a whole pill (equal to two cups of coffee) is too much when my work day is a couple hours away from ending. To end, the price/benefit ratio on these is good. By themselves, I get nothing. With caff/L-theanine, I get just what I need to keep my mind at the ready. If you're looking for more, try splurging on NALT and Alpha-GPC. Make sure you're getting your choline, vit B-complex, Magnesium (chelated, preferably), Vitamin C, and fish oils as well. These are essential. No placebo effect with these, as they provide the base with which all other cog-enhancing supplements work. PS. I purposefully left out the quantities of each supplement I take. Your mileage may vary with each. A quick google search on RDA's or "how much x should I take" will get you in the right direction. There are way to many factors involved with each individual to give off the impression that what I take is what someone else might want to try taking as well. I will say this, I don't take the recommended amount on the bottle. They almost always reduce it to a point where they can sell it without having the FDA or some other agency down their throat. A waste for those who take the literal meaning of "safe" when a governmental agency says it. I wish you the best in finding out what works best for you. Good luck.
K**E
Noticed some difference, but unsure if I’d repurchase
I’ve been using the NOW Foods L-Phenylalanine supplement, and my experience has been mixed. L-Phenylalanine is commonly taken to support mood, focus, and overall nervous system wellness. In my experience, I did notice some difference while taking it, but it wasn’t dramatic enough for me personally to feel confident about buying it again. The capsules are easy to take, and I didn’t experience any negative side effects. The quality seems fine, but the results just weren’t strong enough for me to consider this a must-have in my routine.
E**Y
Good product lousy delevery
Good for nerves. However, the delivery person did not hand directly to resident as stated. :-( Just left on porch, which was okay but did not appreciate the resulting confusion.
H**R
Life changing!
I started taking this in early November 2017 along with 5htp for depression and GABA for anxiety (all NOW brand). While I can't pinpoint one exact supplement that has changed everything in my life, this supplement definitely helps big time! I take one pill at night to help with sleep. Honestly, these supplements changed my life. I'm a different person. I was constantly irritable, sluggish, and miserable until I started taking these. It didn't happen overnight, but after a couple of weeks, I noticed a huge change so much so that I went out and got a second job on the weekends that helps with my mental health as well. I've struggled with mental health issues since I was in my teens. Now, at 31, I've found something that genuinely helps. Honestly, you have nothing to lose. Try these out! I've tried almost every antidepressant under the sun and never felt as good on them as I do now. I'm a pretty skeptical person when it comes to natural healing, but I will take these for the rest of my life!
な**な
効いているような気がします!
色々口コミを読み購入。飲むと気分が落ち着く気がします。
W**K
Do not take if you ave G.I. issues
I found most amino acids are hard on people with G.I issues.
A**R
Good product
Important supplement for the nervous system
E**S
... a little bit of a strange taste but that's fine. Have only been taking them for a few ...
Has a little bit of a strange taste but that's fine. Have only been taking them for a few days so cannot tell if they are working or not
M**E
Never buy
It’s a scam
Trustpilot
2 months ago
2 months ago