# Source Naturals, L-Phenylalanine, 100 Tablets

> Price comparison in United Kingdom (GBP). Lowest price right now: **£15.29** at InStock UK, in stock. 3 offers from 2 shops, prices from £15.29 to £28.26. Checked 2026-10-09T05:25:35Z.

## 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: 0021078001614
- Manufacturer part number: B0096LZ7E8
- Page: https://pricuro.com/uk/p/source-naturals-l-phenylalanine-100-tablets-406688
- Image: https://pricuro.com/img/406688/800/source-naturals-l-phenylalanine-100-tablets.webp

## Offers (3, sorted by total price incl. delivery; used/refurbished last)

| # | Shop | Price | Delivery | Total | Availability | Condition | Buy |
|---|---|---|---|---|---|---|---|
| 1 | InStock UK | £15.29 | see shop | – | in stock | new | https://pricuro.com/go/1784220 |
| 2 | OnBuy.com | £28.05 | free | £28.05 | in stock | new | https://pricuro.com/go/7399759 |
| 3 | OnBuy.com | £28.26 | £6.99 | £35.25 | in stock | new | https://pricuro.com/go/7404718 |

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

- Lowest price today: £15.29
- Last 30 days: lowest £15.29, highest £15.29, average £15.29
- All-time low on Pricuro: £15.29 (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 | £15.29 |
| 2026-10-04 | £15.29 |
| 2026-10-05 | £15.29 |
| 2026-10-06 | £15.29 |
| 2026-10-07 | £15.29 |
| 2026-10-08 | £15.29 |
| 2026-10-09 | £15.29 |

## Specifications


Description (from a shop): Dietary supplement. Free form. An essential amino acid. L-Phenylalanine, an essential amino acid, is a precursor of the amino acid tyrosine, and a whole series of neurotransmitters and hormones. An Essential Amino Acid. Phenylalanine is first converted to tyrosine, which becomes L-dopa, which converts to norepinephrine, a key neurotransmitter and an adrenal hormone. Suggested Use. 1 to 2 tablets daily. Suitable For Vegetarians: Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, preservatives or artificial color, flavor or fragrance. Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyone’s potential to enjoy optim…

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