L-Tryptophan - Pure Powder


A High Quality L-Tryptophan Powder

A fantastic long-term alternative to 5-HTP - L-Tryptophan is an essential amino acid. It's been linked to stress, mood and sleep.

Our L-Tryptophan is created in an ISO 9001:2008 licensed facility. We sell it as a pure powder which has also been tested for its purity by an unaffiliated 3rd party.

Pure and 3rd party lab tested

We tested this supplement for purity in a USA lab.

Available in capsules and pure powders

On the go? Go with the capsules. Want to save $$? Go with the powders.

Delivered in 1-3 days to your door

We will send this out to you the same day if you order before 1pm. Delivery typically takes 1-3 days if you live in the UK or 3-7 days if you live in Europe.

100% money-back guarantee

If you don't like it, you don't have to pay for it. No risk!

How to take your L-Tryptophan

Most people take 250mg - 425mg per day

Since we provide this as a pure powder - we'd recommend you use a mini-scale to measure the dosage accurately (you can get one here).

L-Tryptophan is often taken for long-term use - it's fine to take it every day (unlike it's alternative 5-HTP).

Also, be sure not to take another Serotonin supplement at the same time - that includes 5-HTP.

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United Kingdom

Excellent service

The product I bought arrived in excellent condition and sooner than the estimated delivery time. As soon as I need a refill I'll be ordering again. Many thanks.