L-Tryptophan

  Recommended dosage is 500 mg. per 50 pounds of bodyweight followed by carbohydrate (a piece of fruit), enhancing drowsiness within a half hour and an easy onset of sleep.  

  Tryptophan is a precursor for the body's manufacture of serotonin, an inhibitory neuro-transmitter in the brain.  it's relaxing effect can be useful in improving mood, reducing carbohydrate cravings and deepen sleep.  This is the purest source of this essential amino acid available.

Size: -- Select -- 240 capsules - California $135.00 240 capsules - Excl. CA $125.00 120 capsules - California $70.00 120 capsules - Excl. CA $65.00

Are you a Building the Body subscriber? No Yes

Thank you for being a subscriber. Upon verification of your subscription, you will receive a discount applied toward your Frank Zane supplement purchase!

Did you know that you could save 10% on your purchase of Frank Zane supplements by being a subscriber? Click here to subscribe!

Please Note: We cannot fill orders for food supplements outside the continental United States due to customs restrictions.