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Amino acids & derivatives

Griffonia Extract, 60 capsules

£40.54 for 60 capsules at Healf. That works out at £1.35 per 100 mg, which ranks it 9th of the 9 5-HTP products we price across 6 UK retailers.

What it really costs, per 100 mg£1.35One 100 mg dose is our comparison unit for 5-HTP. It is not a recommendation.

A day£1.35

A week£9.46

A month£40.54

A year£493.24

At one 100 mg dose a day, this pack lasts 30 days. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

Servings: 60 ÷ 2 per serving = 30
In the pack: 30 × 100 mg = 3 g
£40.54 ÷ 3 g × 100 mg = £1.35 per 100 mg
A week £1.35 × 7 = £9.46 · a month × 30 = £40.54 · a year × 365 = £493.24
Amount per serving: stated on the label.

The standard dose is a comparison unit, not a recommendation. Always confirm the price on the retailer's site. How we compare everything.

Cheaper 5-HTP

All 9, ranked →

ZipVit5-HTP Griffonia Seed Extract 750mgZipVit · 61.3 mg a serving · £6.53 a month · a pack lasts 55 days22p£11.99View at ZipVit

Griffonia Seed Extract 5-HTP SupplementLamberts Healthcare (Nature's Best) · 100 mg a serving · £7.75 a month · a pack lasts 2 months26p£15.50View at Lamberts Healthcare

Higher NatureSerotone 5HTP 100mgVitamin Planet · 100 mg a serving · £8.79 a month · a pack lasts 3 months29p£26.37View at Vitamin Planet

HealthAid5-HTP 50mg 60 TabletsLloyds Pharmacy · 50 mg a serving · £13.79 a month · a pack lasts 30 days46p£13.79View at Lloyds Pharmacy

5-HTPHealf · 50 mg a serving · £26.39 a month · a pack lasts 30 days88p£26.39View at Healf

This productHealf · 100 mg a serving · £40.54 a month · a pack lasts 30 days£1.35shown above

Switching to the ZipVit pack saves £34.01 a month at the same 100 mg dose.

Ranked purely by price per 100 mg. 10 combination products also contain 5-HTP.

On the label

5-HTP · 5-HTP: 100 mg per serving (stated on the label)
Pack: 60 capsules · 30 servings · 2 capsule(s) a serving
Cost per serving: £1.35 (30 servings in the pack)

More label details

Claimed on the listing: vegetarian
Sold by: Healf
What the listing says: “60 caps” · “Servings Per Container: 30” · “Serving Size: 2 capsules” · “Providing 100 mg (30%) 5-Hydroxytryptophan” · “5-Hydroxytryptophan (5HTP) ; 330 mg”

Ingredients

Griffonia (Griffonia simplicifolia) Seed Extract Providing 100 mg (30%) 5-Hydroxytryptophan (5HTP), Hypoallergenic Plant Fiber (Microcrystalline Cellulose), Vegetarian Capsule (Hydroxypropyl Methylcellulose)

From the Healf listing. Check the pack itself if you have an allergy: labels mark allergens in bold.

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Daily dosemgFordays

One 100 mg dose is our comparison unit, not a recommendation.

Price history

No price change since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Price at every check: £40.54Healf
First recorded: £40.541 Oct
Checked on: 20 dayssince 1 Oct

Pack price at each check.

1 OctFirst checked at Healf: £40.54

Questions about this product

How much does Pure Encapsulations Griffonia Extract cost per 100 mg?

£1.35 per 100 mg, from £40.54 for 60 capsules at Healf, checked on 20 October 2026.

Is it the cheapest 5-HTP in the UK?

No, it is 9th of 9. 5-HTP Capsules 100mg at Bulk works out at 13p per 100 mg.

How long does one pack last?

30 days at one 100 mg dose. The pack holds 3 g in total.

About Pure Encapsulations

All 135 Pure Encapsulations products, priced per dose

Keep comparing

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