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Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules – image 1Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules – image 2
Life Extension

Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules

£11.48
iHerb GBP see shop

Up to £8.85 cheaper than the most expensive shop

Lowest price in 22 days

It has not been cheaper in the last 22 days. On average it cost £17.75.

Go to shop: iHerb GBP 2 offers compared

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2 offers compared

Sorted by total price including delivery
  1. iHerb GBP Lowest price Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules
    ● In stock see shop
    £11.48
    Voucher Metagenics: 20% Off · valid until 28/10/2026 +9
    Voucher 20% Off Supplements Experts Take Daily · valid until 09/11/2026 Voucher 15% off new customers · valid until 31/12/2026 Voucher 20% off Doctor's Best Supplements · valid until 01/01/2027 Voucher 15% off for NEW Customers · valid until 01/01/2027 Voucher 10% off $60 · valid until 01/01/2027 Voucher 20% off for NEW Customers · valid until 01/01/2027 Voucher 15% off Paradise Herbs · valid until 01/01/2028 Voucher Get 10% off over 50 GBP with the code GOLDGB. · valid until 08/09/2028 Voucher 15% off First In-App Purchase
    Go to shop: iHerb GBP
  2. OnBuy.com (100 vcaps) D, L-Phenylalanine, 500mg - 100 vcaps
    ● In stock Free delivery
    £20.33
    Go to shop: OnBuy.com
  3. Amazon Find this product on Amazon
    Availability on Amazon
    Price on Amazon
    Go to shop: Amazon

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Prices include VAT, last checked 26 October at 15:12. Prices may have changed since. Advertising: some shops pay Pricuro a commission when you buy through a link. Offers are ordered by total price only; used and refurbished offers come last. Vouchers and offers as published by the shop; the shop’s terms apply.

Note: Pricuro only compares prices and does not give medical advice. Always read the label and ask a doctor or pharmacist if you are unsure. Food supplements are not a substitute for a varied diet.

Price history

£11.48£15.91£20.33 3 Oct10 Oct18 Oct26 Oct
Lowest price per day over 24 days.
Now
£11.48
Lowest
£11.48
Average
£17.75
Highest
£20.33

Product details

Product details
BrandLife Extension
CategoryVitamins & supplements
Barcode (EAN)0737870167112
Shops compared2
Price range£11.48 – £20.33
TotalLowest total price including delivery: £20.33
On Pricuro since3 October 2026

Description from the shop

Gluten FreeNon GMO LE CertifiedEnhances MoodDietary SupplementWhat Is D, L-Phenylalanine Capsules?Phenylalanine is an essential amino acid, which means your body can’t produce sufficient amounts and requires it from an external source. It’s converted to L-tyrosine in the liver, which is then converted into dopamine, norepinephrine and epinephrine (adrenaline) hormones that can become depleted for a variety of reasons. Replenishing norepinephrine in the brain can support brain health.The neurotransmitters produced from phenylalanine supplementation bring a wide range of cognitive health…

Read more

Gluten FreeNon GMO LE CertifiedEnhances MoodDietary SupplementWhat Is D, L-Phenylalanine Capsules?Phenylalanine is an essential amino acid, which means your body can’t produce sufficient amounts and requires it from an external source. It’s converted to L-tyrosine in the liver, which is then converted into dopamine, norepinephrine and epinephrine (adrenaline) hormones that can become depleted for a variety of reasons. Replenishing norepinephrine in the brain can support brain health.The neurotransmitters produced from phenylalanine supplementation bring a wide range of cognitive health benefits.D, L-Phenylalanine BenefitsSupports production of L-tyrosine, which is used to make dopamine, norepinephrine & epinephrineHelps promote healthy mood & sleepSupports healthy cognitive functionProvides protection for brain cells

Frequently asked questions

Where is Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules cheapest?

Right now at iHerb GBP for £11.48. We compare 2 offers.

How much does Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules cost?

Prices range from £11.48 to £20.33. Over the last 22 days it cost £17.75 on average.

Is now a good time to buy Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules?

Lowest price in 22 days. It has not been cheaper in the last 22 days. On average it cost £17.75.

Is Life Extension, D, L-Phenylalanine, 500 mg, 100 Vegetarian Capsules in stock?

Yes, 2 shops list it as in stock.

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