A Hidden Deficiency

L-Tryptophan is the rarest of the Essential Amino Acids and most Americans are deficient.

As we age, our body produces enzymes that rapidly break down L-Tryptophan, meaning what ...

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A Hidden Deficiency

L-Tryptophan is the rarest of the Essential Amino Acids and most Americans are deficient.

As we age, our body produces enzymes that rapidly break down L-Tryptophan, meaning what used to be enough doesn't get the job done.

L-Tryptophan is the raw ingredient for our daily happiness and mood, but essential for our ability to get a real restful sleep. Studied for more than 30 years and recommended by medical professionals, L-Tryptophan is a vital supplement.

Natrogix L-Tryptophan with Iron is a sleep aid that allows you to fall asleep faster, attain deeper sleep, and wake up feeling refreshed, not groggy. It boosts your mood so you have a feel happier each and every day.

Don't wait, most Americans are deficient in L-Tryptophan, Don't be one of them.

Click ADD TO CART now to start enjoying deeper, more restful sleep and improved serotonin, melatonin, and niacin levels!



  • ESSENTIAL RAW INGREDIENT FOR SLEEP AND HAPPINESS: The only raw dietary source to synthesize Serotonin and Melatonin, important neurotransmitters essential for thousands of biological functions, especially happiness, mood, and sleep. L-Tryptophan is the precursor to 5-HTP and a serotonin precursor
  • NATURE's AMBIAN: Studied for over 30 years as a strong sleep aid, as little as 1000 mg has been found to dramatically increase your quality of sleep, helping you fall asleep more easily and wake up feeling well-rested
  • IRON AND L-TRYPTOPHAN: Our formulation goes above and beyond, by adding 575 mcg of Iron, an essential cofactor to help the body effectively synthesize serotonin. Without Iron, you're not getting the real benefits of this supplement.
  • NOT JUST A SLEEP AID: L-Tryptophan also assists in decreasing and relieving stress, boosting immune system through activation of kynurenines and also produces Niacin for improved circulation, blood flow and nervous system function.
  • NATROGIX GUARANTEE: RISK FREE & QUALITY MADE IN THE USA: - Use with pride and confidence 100% Money Back GUARANTEED - Full Money Back even with an empty bottle.. Our products are all made in strict GMP and FDA certified lab and third party tested.
  • ESSENTIAL RAW INGREDIENT FOR SLEEP AND HAPPINESS: The only raw dietary source to synthesize Serotonin and Melatonin, important neurotransmitters essential for thousands of biological functions, especially happiness, mood, and sleep. L-Tryptophan is the precursor to 5-HTP and a serotonin precursor
  • NATURE's AMBIAN: Studied for over 30 years as a strong sleep aid, as little as 1000 mg has been found to dramatically increase your quality of sleep, helping you fall asleep more easily and wake up feeling well-rested
  • IRON AND L-TRYPTOPHAN: Our formulation goes above and beyond, by adding 575 mcg of Iron, an essential cofactor to help the body effectively synthesize serotonin. Without Iron, you're not getting the real benefits of this supplement.
  • NOT JUST A SLEEP AID: L-Tryptophan also assists in decreasing and relieving stress, boosting immune system through activation of kynurenines and also produces Niacin for improved circulation, blood flow and nervous system function.
  • NATROGIX GUARANTEE: RISK FREE & QUALITY MADE IN THE USA: - Use with pride and confidence 100% Money Back GUARANTEED - Full Money Back even with an empty bottle.. Our products are all made in strict GMP and FDA certified lab and third party tested.

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