11
Life Extension Optimized Tryptophan PlusSupplement Rating
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8
Life Extension L-TryptophanSupplement Rating
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7
Jarrow Formulas L-Tryptophan PeptideSupplement Rating
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5
Jarrow Formulas L-TryptophanSupplement Rating
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Serving Size | 3 Vegetarian Capsules | 1 Vegetarian Capsule | 2 Tablets | 1 Capsule |
Price/Serving | $0.82 | $0.28 66% | $0.66 20% | $0.22 73% |
Servings Per Container | 30 | 90 200% | 30 | 60 100% |
L-Tryptophan | 1000 mg | 500 mg 50% | 1350 mg 35% | 500 mg 50% |
Tryptophan | 285 mg Perluxan Hops Standardized Extract (cones) and Ursole Rosemary Standardized Extract (leaves) | missing substance or information* | 500 mg (from L-Tryptophan Peptides [PepForm]) | missing substance or information* |
Vitamin B3 | 66 mg (as niacinamide) | missing substance or information* | missing substance or information* | missing substance or information* |
Lysine | 250 mg (as L-Lysine HCl) | missing substance or information* | missing substance or information* | missing substance or information* |
*Some information on the Life Extension Optimized Tryptophan Pluslabel 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.