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NUYU

NUYU L-Theanine & Caffeine Capsules for Focus and Energy Support

60 Capsules | Calm Energy | For Focus

£15.99 GBP
£15.99 GBP
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Stay Cool. Think Fast.

This smart pairing brings together calming L-Theanine and energising clean Caffeine for balanced mental clarity. Designed to support alertness, attention, and smooth focus when you need it most.

✓ Boosts mental clarity and alertness

✓ Supports calm, focused energy,

✓ Support for brain and body

✓ Ideal pre-workout or for work mode

✓ Beat the midday slump

L-Theanine and Caffeine brings calm and clarity together in one daily capsule. Whether it’s for focus at work or pre-gym motivation, it’s your no-fuss brain boost.

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Ingredients

L-Theanine, Caffeine Anhydrous (from natural sources), Capsule Shell (HPMC), Magnesium Stearate, Microcrystalline Cellulose, Dicalcium Phosphate, Silicon Dioxide.

What's Inside

L-Theanine - a naturally calming amino acid from green tea

Caffeine - to promote mental performance and alertness

Precision-balanced for calm energy, not chaos

Designed to support attention and sustained focus

Ideal pre-work, pre-presentation, or pre-anything

60 Capsules / 2 Month Supply

How To Use

Take 1 capsule daily with water, preferably in the morning or before mentally demanding tasks. Do not take near bedtime.

Safety & Allergen

If you are pregnant, breastfeeding, taking medication or under medical supervision, please consult a healthcare professional before use. Not intended for use by persons under the age of 18. Discontinue use and consult a doctor if adverse reactions occur. Do not exceed the recommended daily dose. Food supplements should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. This product is not intended to diagnose, treat, cure or prevent any disease. Store in a cool, dry place, away from direct sunlight and out of the reach of children.

No known allergens. While every effort is made to prevent cross-contamination, this product is manufactured in a facility that also handles nuts, dairy, soy, and gluten. Production takes place under strict hygiene and quality control standards.

Shipping & Returns

Shipping Info
We keep it simple:

Royal Mail Tracked 48
2 - 4 working days
£2.99 under £30 • FREE over £30

Royal Mail Tracked 24
1-2 working days
£4.50 • FREE over £40

DPD Next Day (UK Mainland)
Order by 1pm Mon–Fri
£5.95 • FREE over £50

Northern Ireland
2–4 working days
£5.95 under £40 • FREE over £40

International
3–17 working days
FREE over £65 (charges vary under £65)

Cut-off times:
Royal Mail Shipping: Order by 3pm Mon–Fri for same-day dispatch.

DPD Next Day: Order by 1pm Mon–Fri. Orders after 1pm Friday ship Monday.

Notes:
We don’t dispatch on weekends or UK bank holidays.
Some areas (Highlands, Islands, NI, etc.) may default to a 2-day service.
International orders may face local duties/taxes.
Every order comes with full tracking. If anything arrives damaged, drop us a note at hello@feelnuyu.com and we’ll fix it fast.

FAQ

  • Q. What does L-Theanine and Caffeine do? A. This blend supports mental clarity, alertness, and calm focus - ideal for getting in the zone without the jitters
  • Q. How is this different from regular caffeine? A. The addition of L-Theanine helps smooth out the energy spike, promoting focused calm rather than restlessness or crashes
  • Q. When should I take it? A. Best taken in the morning or before a task that needs sharp focus - like work, study, or a workout
  • Q. Will it interfere with my sleep? A. It may do if taken too late in the day. We recommend avoiding it after mid-afternoon if you’re sensitive to caffeine
  • Q. Can I stack this with other nootropics? A. Yes, it stacks well with adaptogens, B-vitamins, and omega-3s - but don’t overdo total caffeine intake
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