In Stock
Protocol for Life Balance

L-Tryptophan, 500 mg, 60 Veg Capsules

4.7 · 131 reviews
2,565 ₽

Encourages Positive Mood Supports Relaxation & Restful Sleep Non-GMO A Dietary Supplement Vegetarian/Vegan How It Works: L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. In the brain, tryptophan is converted into serotonin, a neurotransmitter involved in feelings of well-being, calmness, personal security, and, relaxation. It also plays a role in the regulation of appetite and synchronization of sleep patterns. Every lot of Protocol For Life Balance® L-Tryptophan is tested to be free of Peak E and microbial contamination.

International delivery

Shipping calculated at checkout

Returns & exchanges

Within 30 days of delivery

Encourages Positive Mood Supports Relaxation & Restful Sleep Non-GMO A Dietary Supplement Vegetarian/Vegan How It Works: L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. In the brain, tryptophan is converted into serotonin, a neurotransmitter involved in feelings of well-being, calmness, personal security, and, relaxation. It also plays a role in the regulation of appetite and synchronization of sleep patterns. Every lot of Protocol For Life Balance® L-Tryptophan is tested to be free of Peak E and microbial contamination.

Customer reviews

5.0
verified purchase
Прекрасно!

Excellent supplement! It really helps me relax and sleep better. The capsules are easy to take and gentle on the stomach. I feel calmer and more balanced. Definitely recommend this brand!

10/9/2025
5.0
verified purchase
L-Tryptphan

L-Tryptophan in conjunction with Gaba is great for mood balancing and calming before sleep.

9/15/2025
5.0
verified purchase
Great sleep aid

For those who have insomnia on occasion I have found this does the trick to help fall asleep and stay asleep..easy to take pills

11/28/2024
5.0
verified purchase
Very good quality!

Capsules easily swollen ! At the first couple of days it caused me anxiety then it started working amazingly ! It is a sleep and mood support and some people have it low in their bodies especially if they have low levels of iron and B vitamins!

4/19/2026
4.0
verified purchase
No clear effect yet

I’ve been taking L-tryptophan for a while now, and overall it seems like a decent supplement. It’s easy to take and doesn’t have any unpleasant taste. I started using it to support my mood and sleep, but so far I haven’t noticed a very strong or consistent effect. It might take more time or a different dosage to really see the benefits. For now, I think it’s okay, but I’m not fully convinced yet.

3/24/2026
5.0
verified purchase
Very Good!

I’ve been using this L-Tryptophan for a while and it really helps me relax at night. It supports my mood and makes it easier for me to fall asleep. The capsules are easy to take and the 500 mg dose works well for me. Simple and effective supplement that I like to keep in my routine.

3/11/2026
5.0
verified purchase
Helpful for sleep

The quality is good. Best taken at 8 AM for mood, on empty stomach, or taken an hour before bed

1/16/2026
5.0
verified purchase
Confirmed by Blood Work: Great Benefit & Quality

I highly recommend Protocol for Life Balance, L-Tryptophan, 500 mg. I regularly have my blood values checked, and the comparison of my blood work before and after taking this product shows a significant improvement. The benefit is great; subjectively, I feel a general increase in well-being and better sleep quality. Regarding the intake, the dosage is okay and easy to manage, and the taste is neutral, which I appreciate. This brand convinces me thanks to its unbeatable price-performance ratio. I am particularly impressed by the high-quality ingredients, especially the pharmaceutical grade L-Tryptophan. I am also convinced by the absence of dangerous additives; specifically, this product is manufactured to high standards and free from GMOs and common allergens. Finally, it should be mentioned that the packaging is very practical, and the lid is designed to be very handy.

11/28/2025
4.0
verified purchase
Have not tried yet

I’m a bit hesitant to try this. I initially got it to help me with long covid. I’m still a bit hesitant to try it due to a specific mechanism of long covid that interferes with the metabolism of l-tryptophan. I will hopefully try it in the future and come back to update my review. In general, protocol for life balance is a good company their supps are of great quality, their ingredients are clean, and their packaging is great too.

5/24/2025
5.0
verified purchase
Mood balance

L-Tryptophan has been a game-changer for my sleep and mood. I feel more relaxed at night and wake up refreshed. It’s a natural, gentle way to support emotional balance without grogginess

5/21/2025