# Source Naturals, Theanine Serene, 60 Tablets

> Price comparison in United Kingdom (GBP). Lowest price right now: **£22.82** at InStock UK, in stock. 2 offers from 2 shops, prices from £22.82 to £34.72. Checked 2026-10-09T08:56:25Z.

## Product
- Brand: BritishVita | Premium UK Vitamins & Wellness Supplements
- Category: [Phones & tablets](https://pricuro.com/uk/phones-tablets.md) > [Tablets](https://pricuro.com/uk/phones-tablets/tablets.md)
- EAN/GTIN: 0021078017752
- Manufacturer part number: B000Q47QBQ
- Page: https://pricuro.com/uk/p/source-naturals-theanine-serene-60-tablets-406811
- Image: https://pricuro.com/img/406811/800/source-naturals-theanine-serene-60-tablets.webp

## Offers (2, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | InStock UK | £22.82 | see shop | – | in stock | new | https://pricuro.com/go/1778015 |
| 2 | OnBuy.com | £34.72 | free | £34.72 | in stock | new | https://pricuro.com/go/7546837 |

## Price history (lowest price per day in United Kingdom, tracked since 2026-10-03, 7 days)

- Lowest price today: £22.82
- Last 30 days: lowest £22.82, highest £22.82, average £22.82
- All-time low on Pricuro: £22.82 (2026-10-03)
- Note: the history is still short, so it does not yet show whether today's price is a good one.

| Date | Lowest price |
|---|---|
| 2026-10-03 | £22.82 |
| 2026-10-04 | £22.82 |
| 2026-10-05 | £22.82 |
| 2026-10-06 | £22.82 |
| 2026-10-07 | £22.82 |
| 2026-10-08 | £22.82 |
| 2026-10-09 | £22.82 |

## Specifications


Description (from a shop): Source Naturals Serene Science L-Theanine with Magnesium and GABA supports relaxation and focused attention, combining the calming neurotransmitter GABA with L-theanine to help ease daily stress and promote mental clarity. This 60-tablet vegetarian-friendly formula is designed to be taken as 2 tablets daily. Contains L-theanine to support relaxation and focused attention, and the calming neurotransmitter GABA. Suggested Use: 2 tablets daily Suitable for vegetarians. Contains no yeast, dairy, egg, gluten, soy or wheat. Free from sugar, preservatives, or artificial color, flavor or fragrance. TRUSTED FOR OVER 35 YEARS. Source Naturals was created in 1982 by CEO Ira Goldberg to support each ind…

## Other variants

- [Source Naturals, BioPerine, 60 Tablets](https://pricuro.com/uk/p/source-naturals-bioperine-60-tablets-406725.md) – from £13.55

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