5
Jarrow Formulas L-TryptophanSupplement Rating
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8
Life Extension L-TryptophanSupplement Rating
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11
Life Extension Optimized Tryptophan PlusSupplement Rating
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7
Jarrow Formulas L-Tryptophan PeptideSupplement Rating
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Serving Size | 1 Capsule | 1 Vegetarian Capsule | 3 Vegetarian Capsules | 2 Tablets |
Price/Serving | $0.22 | $0.28 27% | $0.82 273% | $0.66 200% |
Servings Per Container | 60 | 90 50% | 30 50% | 30 50% |
L-Tryptophan | 500 mg | 500 mg | 1000 mg 100% | 1350 mg 170% |
Tryptophan | missing substance or information* | missing substance or information* | 285 mg Perluxan Hops Standardized Extract (cones) and Ursole Rosemary Standardized Extract (leaves) | 500 mg (from L-Tryptophan Peptides [PepForm]) |
Vitamin B3 | missing substance or information* | missing substance or information* | 66 mg (as niacinamide) | missing substance or information* |
Lysine | missing substance or information* | missing substance or information* | 250 mg (as L-Lysine HCl) | missing substance or information* |
*Some information on the Jarrow Formulas L-Tryptophanlabel may be missing, or it may have been written incorrectly. We work hard to keep the information accurate & up to date. Please let us know if you discover any errors.