---
product_id: 1978449
title: "Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps"
brand: "doctor's best"
price: "₨11934"
currency: LKR
in_stock: true
url: https://www.desertcart.lk/products/1978449-doctors-best-d-phenylalanine-supports-mood-nervous-system-non-gmo
store_origin: LK
region: Sri Lanka
---

# Non-GMO Vegan-friendly 500 mg per serving Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps

**Brand:** doctor's best
**Price:** ₨11934
**Availability:** ✅ In Stock

## Summary

> 🌟 Unlock Your Best Self with Every Capsule!

## Quick Answers

- **What is this?** Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps by doctor's best
- **How much does it cost?** ₨11934 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.lk](https://www.desertcart.lk/products/1978449-doctors-best-d-phenylalanine-supports-mood-nervous-system-non-gmo)

## Best For

- doctor's best enthusiasts

## Why This Product

- Trusted doctor's best brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Elevate Your Mood:** Supports emotional well-being and mental clarity.
- • **Precision Formulation:** Contains 500 mg of D-phenylalanine per veggie cap.
- • **Quality You Can Trust:** Non-GMO and rigorously tested for purity.
- • **Nervous System Support:** Promotes a healthy nervous system function.
- • **Plant-Powered Wellness:** 100% vegan and gluten-free for guilt-free health.

## Overview

Doctor's BEST D-Phenylalanine is a premium supplement designed to support mood and nervous system health. Each veggie cap delivers 500 mg of non-protein amino acid D-phenylalanine, ensuring a vegan, gluten-free, and non-GMO experience. Perfect for those seeking a natural boost in emotional well-being.

## Description

Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps

## Features

- D-phenylalanine is reported to inhibit an enzyme that degrades enkephalins
- D-phenylalanine is a non-protein amino acid related to the essential amino acid L-phenylalanine
- Vegetarian
- Label images may vary
- During the summer months products may arrive warm but desertcart stores and ships products in accordance with manufacturers' recommendations, when provided.

## Product Details

- **Brand:** Doctor's BEST
- **Flavor:** Unflavored
- **Primary Supplement Type:** protein
- **Unit Count:** 60 Count
- **Item Form:** Capsule
- **Item Weight:** 2.7 Ounces
- **Item dimensions L x W x H:** 2.13 x 2.13 x 3.69 inches
- **Diet Type:** Gluten Free
- **Product Benefits:** (function(f) {var _np=(window.P._namespace("DetailPageProductOverviewTemplatesJava"));if(_np.guardFatal){_np.guardFatal(f)(_np);}else{f(_np);}}(function(P) {
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}));  Helps support healthy mood, "Helps support endorphin metabolism", "Helps support neurotransmitter function*"Helps support healthy mood, "Helps support e…    See more
- **Age Range (Description):** Adult

## Images

![Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps - Image 1](https://m.media-amazon.com/images/I/61wdo+yheFL.jpg)
![Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps - Image 2](https://m.media-amazon.com/images/I/71UV9Ma7RsL.jpg)
![Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps - Image 3](https://m.media-amazon.com/images/I/716gJOjA-HL.jpg)
![Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps - Image 4](https://m.media-amazon.com/images/I/81zH3p-kZkL.jpg)
![Doctor's Best D-Phenylalanine, Supports Mood, Nervous System, Non-GMO, Vegan, Gluten Free, 500 mg, 60 Veggie Caps - Image 5](https://m.media-amazon.com/images/I/81Y9K66gjAL.jpg)

## Questions & Answers

**Q: Honestly, How long does do you take this to notice it working, one, two, four weeks?? thanks**
A: From personal experience pain is helped some within the first day. It builds from there over 2 weeks, faster for pain help (synergistically works with pain pills I'm unsure with depression meds). Depression can take two weeks for full effect. A few comments, if taking an opioid pain reliever with this if you go up above 1 per day (some take up to 4 per day) it seems to blunt the receptor to seem the pain pill isn't working well and the same with a benzo. At one a day off you take either or both I recommend only one per day. If you are just relying on over the counter pain or depression supplements it seems fine to up the dose. I don't feel, just my opinion, if you have chronic pain that needs an opioid this will not replace it unless using with Dr supervised ldn treatment. This will help lower pain and depression. If wanting to try something to see if it helps pain/depression it's reasonable and worth seeing if it helps you.One last note, if in chronic pain have your D3 checked because despite allowed ranges you should be above 60. If you are in the 20-30 range you will have pain until you raise your level with your Dr monitoring. It's commonly deficient so this could help while raising your number

**Q: how big is the tablet (jell tab?)**
A: i don't know the official size, but measured it is just about 2 cm.  Hope this helps.

**Q: Anyone have any idea why this is turning me into a rage monster? I bought this thinking it helped with mood. It did just the opposite. Thanks.**
A: It is supposed to be just D-Phenylalanine but it just seems too cheap to be the case. It might be the DL Phenylalanine in which case you
are for sure converting it into more stimulatory chemicals like epinephrine. BEST to stop it and see. Yeah if your brain neurotransmitters
don't like it then stop and try anything that will raise GABA, like L-Tryptophan. Try a bit of LT, maybe 250 mg at 4 PM and another 500 at 9 PM for a few days and then play with the dose and timings. We are all different.

**Q: Is this synthetic or what is the source used to make this D-Phenylalanine? Is it vegan, soy-free?**
A: It is Vegan, Non-GMO, Gluten Free and Soy Free.

## Frequently Bought Together

- Doctor's Best Best D-phenylalanine (500mg), Vegetable Capsules, 60-Count
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*Product available on Desertcart Sri Lanka*
*Store origin: LK*
*Last updated: 2026-02-20*