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Osavi Advanced 5-HTP

60 Vegan Capsules

£11.50Tax includedLowest price in 30 days: £11.50

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Osavi Advanced 5-HTP – 100 mg (60 Vegan Capsules)


Osavi 5-HTP provides a clean, standardised dose of 5-hydroxytryptophan (5-HTP) derived from Griffonia simplicifolia seed extract. It’s a simple, single-ingredient formula designed to support mood balance, relaxation and sleep quality — especially useful during periods of stress, dieting or disrupted routines.


This is a straightforward daily supplement with a clearly defined dose, making it easy to integrate into evening routines or recovery-focused stacks.







Key Benefits



  • Supports mood balance and emotional well-being

  • May help with relaxation and sleep quality

  • Useful during dieting phases or periods of stress

  • Simple, single-ingredient formula

  • Vegan-friendly capsules






Supplement Facts
























Ingredient Amount per Serving (1 capsule) Function
Griffonia simplicifolia Seed Extract (DER 30:1, 30% 5-HTP) 333.33 mg Natural source of 5-HTP
5-HTP (5-hydroxytryptophan) 100 mg Supports serotonin production







Full Ingredients


Griffonia simplicifolia seed extract (DER 30:1, standardised to 30% 5-HTP), Capsule shell (hydroxypropyl methylcellulose), Inulin.







Recommended Use


Take 1 capsule daily, preferably before bedtime.







Product Classification


Category: Nootropics / Mood Support
Subcategory: Sleep & Relaxation Support
Form: Capsules
Serving Size: 1 capsule
Servings Per Container: 120
Stimulant Level: None







Who Is It For


This product is suitable for:




  • Individuals looking to support mood and relaxation

  • Those wanting to improve sleep quality naturally

  • People in high-stress periods or calorie-deficient

  • Users looking for a non-stimulant evening supplement






Safety Information


Do not exceed the recommended daily dose.
Not suitable for children, pregnant or breastfeeding women.
Consult a healthcare professional before use if taking medication (especially antidepressants) or under medical supervision.
Food supplements should not be used as a substitute for a varied diet.







Our Experience


5-HTP is one of the more commonly used ingredients for evening support. A 100 mg dose like this is a solid starting point for most users and fits well into simple night-time routines without overcomplicating things.

Need help?

Osavi 5-HTP provides a clean, standardised dose of 5-hydroxytryptophan (5-HTP) derived from Griffonia simplicifolia seed extract. It’s a simple, single-ingredient formula designed to support mood balance, relaxation and sleep quality, especially useful during periods of stress, dieting or disrupted routines.

Each capsule provides 333.33 mg of Griffonia simplicifolia Seed Extract (DER 30:1, 30% 5-HTP), yielding 100 mg of 5-HTP (5-hydroxytryptophan), which supports serotonin production.

The full ingredients are Griffonia simplicifolia seed extract (DER 30:1, standardised to 30% 5-HTP), capsule shell (hydroxypropyl methylcellulose), and Inulin.

No, the product classification lists a stimulant level of none.

Key benefits include supporting mood balance and emotional well-being, helping with relaxation and sleep quality, and being useful during dieting phases or periods of stress, in a simple single-ingredient formula.

Yes, the capsules are vegan-friendly.

It is suitable for individuals looking to support mood and relaxation, those wanting to improve sleep quality naturally, people in high-stress periods or calorie-deficient phases, and users looking for a non-stimulant evening supplement.

It falls under the Nootropics / Mood Support category, with a subcategory of Sleep and Relaxation Support, in capsule form.

Each bottle contains 120 capsules, one per serving.

Take 1 capsule daily, preferably before bedtime.