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L-Tryptophan

All L-Tryptophan supplements

Jarrow Formulas - L-Tryptofaan 500 mg 60 vegetarian capsules
L-Tryptofaan 500 mg
27,50
L-Tryptophan
60 vegetarian capsules
  • Contains 500 mg L-tryptophan per capsule
  • Suitable for vegetarians and vegans
AOV - 601 L-Tryptofaan 500 mg 60 vegetarian capsules
601 L-Tryptofaan 500 mg
22,85
L-Tryptophan
60 vegetarian capsules
  • Contains 500 mg L-tryptophan per capsule
  • Contains vitamins B3 and B6 for optimal effect of L-tryptophan
Bonusan - L-Tryptofaan 500 Complex 60 vegetarian capsules
L-Tryptofaan 500 Complex
29,99
Brain
60 vegetarian capsules
  • Formula for mood
  • Contains 500 mg L-tryptophan per capsule
Life Extension - L-Tryptophan 500 mg 90 vegetarian capsules
L-Tryptophan 500 mg
38,50
L-Tryptophan
90 vegetarian capsules
  • Contains 500 mg L-tryptophan per capsule
  • Suitable for vegetarians and vegans
Vitals - L-Tryptofaan 400 mg 60 vegetarian capsules
L-Tryptofaan 400 mg
24,95
L-Tryptophan
60 vegetarian capsules
  • Contains 400 mg L-tryptophan per vegetarian capsule
  • Suitable for vegetarians and vegans
Viridian - L-Tryptophan 220 mg   30 vegetarian capsules
L-Tryptophan 220 mg
15,35
L-Tryptophan
30 vegetarian capsules
  • Contains 220 mg L-tryptophan per capsule
  • Contains only natural ingredients
Mattisson - L-Tryptofaan 500 mg 60 vegetarian capsules
L-Tryptofaan 500 mg
21,95
L-Tryptophan
60 vegetarian capsules
  • Contains 500 mg L-tryptophan per capsule
  • Contains vitamin B-6 for better effect
Life Extension - Optimized Tryptophan Plus 90 vegetarian capsules
Optimized Tryptophan Plus
37,50
Brain
90 vegetarian capsules
  • Formula for a good mental balance
  • With tryptophan, lysine and Perluxan® (hop and rosemary extract)
Orthica - L-Tryptofaan-400 60 gelatin capsules
L-Tryptofaan-400
29,95
L-Tryptophan
60 gelatin capsules
  • Contains 400 mg L-tryptophan per capsule
  • Plus low dose of active Vitamin B6

Choose from 8 tryptophan products with dosages of 200 to 500 mg per capsule. Some products have some additives, most only contain l-tryptophan.

What is L-Tryptophan?

L-Tryptophan is an essential amino acid that cannot be produced by the body, but can only be obtained through diet and supplements. L-tryptophan is converted in the body into 5-HTP, serotonin and melatonin.

In food it is found in cottage cheese, turkey, chicken, chicken liver, tofu, salmon, almonds, peanuts, walnuts, bananas, pineapple, milk, honey and wheat bread.