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Home › Amino acids & derivatives › L-Theanine

CytoplanAmino acids & derivatives

L-Theanine, 60 capsules

£13.99 for 60 capsules at Healf. That works out at 19p per 200 mg, which ranks it 2nd of the 12 L-theanine products we price across 4 UK retailers.

What it really costs, per 200 mg19pOne 200 mg dose is our comparison unit for L-Theanine. It is not a recommendation.
A day19p
A week£1.31
A month£5.60
A year£68.08

At one 200 mg dose a day, this pack lasts 2 months. A month is 30 days, so twelve of them is not quite a year.

How we worked it out

  • Servings: 60 ÷ 1 per serving = 60
  • In the pack: 60 × 250 mg = 15 g
  • £13.99 ÷ 15 g × 200 mg = 18.7p per 200 mg
  • A week 18.7p × 7 = £1.31 · a month × 30 = £5.60 · a year × 365 = £68.08
  • 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 L-theanine

All 12, ranked →
L-TheanineCheapest per 200 mgHealf · 200 mg a serving · £4.12 a month · a pack lasts 4 months14p£16.49View at Healf (opens in a new tab)
This productHealf · 250 mg a serving · £5.60 a month · a pack lasts 2 months19pshown above

Switching to the Healf pack saves £1.47 a month at the same 200 mg dose.

Ranked purely by price per 200 mg. 70 combination products also contain L-Theanine.

On the label

L-Theanine · L-theanine
250 mg per serving (stated on the label)
Pack
60 capsules · 60 servings · 1 capsule(s) a serving
Cost per serving
23p (60 servings in the pack)
More label details
Sold by
Healf
What the listing says
“60caps” · “One capsule will provide on average” · “L-Theanine ; 250mg”
Ingredients

L-theanine, anti-caking agent (microcrystalline cellulose, stearic acid), plant cellulose (capsule shell)

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

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One 200 mg dose is our comparison unit, not a recommendation.

Price history

3 price changes since 1 October 2026. Checked on 20 days, most recently 20 October 2026.

Lowest recorded
£12.392 Oct at Healf
Highest recorded
£15.4915 Oct at W-Wellness
First recorded
£15.491 Oct
Checked on
20 dayssince 1 Oct
  • Healf
  • W-Wellness
Pack price at each check.
  1. First checked at W-Wellness: £15.49
  2. Up at Healf: £12.79 → £13.99 (+9.4%)
  3. Up at Healf: £12.39 → £12.79 (+3.2%)
2 earlier entries
  1. Down at Healf: £15.49 → £12.39 (−20%)
  2. First checked at Healf: £15.49

Questions about this product

How much does Cytoplan L-Theanine cost per 200 mg?

19p per 200 mg, from £13.99 for 60 capsules at Healf, checked on 20 October 2026.

Is it the cheapest L-theanine in the UK?

No, it is 2nd of 12. L-Theanine at Healf works out at 14p per 200 mg.

How long does one pack last?

2 months at one 200 mg dose. The pack holds 15 g in total.

About Cytoplan

All 74 Cytoplan products, priced per dose

More from Cytoplan

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