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O2B 5-HTP High Strength

5.0 (1 review)

$ 39.91

O2B 5HTP is a high-dose 1-a-day capsule to support normal sleep patterns, mood and appetite. O2B 5HTP is made from the Griffonia simplicifolia seed, a naturally occurring amino acid that is the precursor in the biosynthesis of the neurotransmitters serotonin and melatonin.

$ 39.91

127 in stock

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Each capsule of O2B 5-HTP (5-Hydroxytryptophan) is a high dose of what is the intermediate metabolite between the amino acid L-tryptophan and serotonin. 5-HTP is well absorbed from an oral dose, with about 70% ending up in the bloodstream and is able to cross the blood-brain barrier where is supports the central nervous system (CNS) synthesis of serotonin. Serotonin is important for soothing and calming the nervous system and creates a feeling of well-being, supporting mood, emotional state and natural sleep patterns.

Key Benefits:

  • Supports natural serotonin production
  • Supports normal sleep patterns
  • Supports the feeling of well-being
  • Can support those who have depleted ability to produce serotonin due to stress or over use of recreational drugs


Each Capsule Contains:

  • 5-HTP 100mg
  • From Griffonia simplicifolia plant seeds
  • May contain encapsulating aids

Contains No:

Yeast, corn, wheat, artificial flavours or preservatives.


Adults take 1-2 capsules daily (best before bed) or as directed by your health care professional.


If taking prescription medication or have known sensitivities, please consult your health care professional before taking this product.


Do not take if on L-dopa and Parkinson’s disease treatments.

If you are on antidepressants or prescription medication, please consult your health care professional before taking 5-HTP.

1 review for O2B 5-HTP High Strength

  1. Excellent product!

    Review by Gail

    I find O2B 5-HTP superb….April ’19

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* Disclaimer: Information on this website is for your general knowledge only. It is not intended to replace qualified medical advice nor intended to diagnose, treat, cure or prevent any disease. Do not disregard medical advice or postpone consultation with your health care professional because of information that you have read on this website. Always consult your doctor or other qualified health care professional regarding a medical condition. Always read the label of any natural health products you purchase and use only as directed. Consult a health care professional if symptoms persist. Customer reviews reflect individual experiences and results may vary.

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