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Jigsaw 5-HTP w/SRT


We’ve taken only the best form of 5-HTP (or 5HTP) that exists — sourced from a European manufacturer, Linnea, which has the purest form of 5-HTP available — and combined it with our proprietary, sustained release technology (SRT).

120 tablets/bottle



Directions: 1–2 tablets per day

Ingredients: L-5-hydroxytryptophan (L-5-HTP from Griffonia simplicfolia seeds)


  • Balances stress response.
  • Supports restful sleep.
  • Maintain mental and emotional well-being.
  • Supports stable mood.
  • Only the highest quality 5-HTP from Europe (not China).
  • Eliminates the nausea that often occurs with 5-HTP.
  • Sustained release technology makes it work longer and better.
  • Non-GMO, Vegan, Gluten-Free.

Related tests: HRV; Stress assessment; Mental stress index; Physical stress index; ECG; Artifacts and extrasystoles; Sudomotor/QSART; BMI

WARNING:  A 5-HTP supplement should not be taken in conjunction with SSRI medications unless under the direct supervision of a physician. Use caution when taking 5-HTP and drinking alcoholic beverages, as alcohol may inhibit the metabolism of 5-HTP.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.


5-HTP is a compound which gets converted into serotonin in the brain. Serotonin is one of the principal neurotransmitters involved in happiness and anti-depression. 5-HTP has been used with success to restore serotonin levels in those that may suffer from decreased serotonin levels, as in depression and those with high levels of body inflammation (typically seen in metabolic syndrome, elevated hs-CRP, and inflammatory syndromes like arthritis). 5-HTP supplementation in the higher dosage range seems to be fairly effective in appetite suppression. 5-HTP supplementation has been reported to cause a selective reduction in cravings for carbohydrates *.


First, 5-HTP has a very short half-life in the body — only about 90 minutes. That means that it is gone from the body very rapidly after being consumed. This is the reason that most people who take 5-HTP often need to take many doses throughout the day in order to maintain the effect.

The other problem with non-sustained release formulas is that when you dump a lot of 5-HTP into the GI tract all at once, it is rapidly converted to serotonin right there. What you really want though, is for the majority of 5-HTP to be converted to serotonin in the brain. So releasing it over a longer period of time allows the 5-HTP to be gradually absorbed and converted where it is most needed… in the brain*.

Not only is this better for seeing a more long-lasting effect, but it can also help avoid stomach upset which some people experience as a side effect when 5-HTP is dumped into the intestinal tract all at once.

For most people, sustained release technology will also provide the ability to take a lower dose of 5-HTP, while still having the same — if not even greater — benefits.


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