Page 2 - Reviews - Zahler, L-Tryptophan, Purified L-Tryptophan, 500 mg, 60 Capsules - iHerb
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Customer Ratings & Reviews

Dounia16
Silver
Posted on Jul 11, 2023
123
11
2
6
Verified Purchase
Rewarded Review

Well received well packed so far so good I use it at night with magnesium

iHerb Customer
Posted on Jul 3, 2023
5
0
0
1
Feel Happier but often upsets my stomach
Verified Purchase
Rewarded Review

Not sure why but most of the time I felt bad after taking and had stomach upset especially if taken on an empty stomach.

iHerb Customer
Gold
Posted on Sep 4, 2022
4,071
1
2
792
Excellent for my muscle build up!
Verified Purchase
Rewarded Review

It is highly effective in providing me energy, great for my daily fitness training. I'm obsessed with this high quality product so much, thank you iherb.

iHerb Customer
Posted on Jan 3, 2023
46
0
12
6
Verified Purchase
Rewarded Review

Works good to enhance mood. Important to balance with other neurotransmitters, as L tryptophan boosts only serotonin.

iHerb Customer
Posted on Mar 30, 2023
20
0
0
0
Verified Purchase
Rewarded Review

Good package and it helps with sleeping and relaxing. Taste as expected.

iHerb Customer
Gold
Posted on Mar 1, 2023
304
0
0
26
Verified Purchase
Rewarded Review

Gives energy and relieves stress, as L tryptophan boosts serotonin.

iHerb Customer
Silver
Posted on Feb 20, 2023
163
31
8
7
Verified Purchase
Rewarded Review

It really works ! Will reorder , good quality ! And price 🙌 was advised by a friend

iHerb Customer
Posted on Aug 26, 2022
14
3
0
2
An amazing product!
Verified Purchase
Rewarded Review

A really really great product! I use it before and after a night out and feel great!

iHerb Customer
Silver
Posted on Aug 17, 2022
136
0
0
10
Verified Purchase
Rewarded Review

Excellent product and great quality. Ingredient profile is good and has helped my sleep and wake up feeling better

iHerb Customer
Posted on Jul 30, 2022
28
0
2
1
Verified Purchase
Rewarded Review

This has worked for me I take it before bed and helps me sleep