UK MANUFACTURED | VEGAN FORMULATION | FREE UK DELIVERY

SEREIN No.1

Modern life rarely slows down.

When your attention is constantly being pulled in different directions, switching off doesn't come easily.

It's hard to feel present when your mind is already somewhere else.

So we created SEREIN No.1—to help you find a steadier way through demanding days.

Explore the formula
SEREIN No.1 Calm Clarity supplement pouch with magnesium bisglycinate, L-theanine and vitamin B6 labels to right side of pouch

Ingredients

Three ingredients. One clear purpose.

We believe a thoughtful formula doesn't need to be complicated. Just three carefully chosen ingredients, each selected with a clear purpose.

Magnesium bisglycinate • Naturally derived L-theanine from green tea • Vitamin B6

Nothing more than we believe is needed.

FORMULATION

Why these three?

The strength of a formula isn't about adding more. It's about choosing ingredients that complement one another.

Magnesium bisglycinate forms the foundation of the formula, supporting normal psychological and nervous system function.

Naturally derived L-theanine from green tea complements it, helping to support relaxation while maintaining a clear, focused state.

Vitamin B6 completes the blend, contributing to normal psychological function and helping reduce tiredness and fatigue.

Together, they create a formula where every ingredient has a purpose and works in harmony with the others.

Explore the formula

  • Calm without sedation

    Supports relaxation while helping maintain a clear, focused state.

  • Made for every day

    Designed to become a simple part of your daily routine.

  • UK manufactured

    Produced in the UK to high manufacturing standards.
  • Front view of the SEREIN No.1 Calm Clarity magnesium bisglycinate, L-theanine and vitamin B6 supplement pouch
1 4

60 vegan capsules

SEREIN No.1 - Calm Clarity

£32.00
£32.00
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Free Royal Mail Tracked 24 delivery on all UK orders.

SEREIN No.1 is a considered daily blend of magnesium bisglycinate, naturally derived L-theanine from green tea and vitamin B6. Created for modern minds, the formula is designed to support relaxation, mental clarity and a steadier state of mind — without heaviness or drowsiness.

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Hands holding white supplement capsules with SEREIN quality callouts for magnesium bisglycinate, green tea derived L-theanine and UK manufacturing.

Built for people who read the label.

No ingredient gets a free pass. Every ingredient has to make the product better. Otherwise, it stays out.

No half measures. Some brands blend magnesium bisglycinate with lower-cost forms. We don't. Every milligram of magnesium in SEREIN No.1 comes from magnesium bisglycinate.

Our L-theanine is naturally derived from green tea, not a synthetic source. Better decisions rarely cost less.

Built properly. Manufactured in the UK in a GMP & HACCP-accredited manufacturing facility.

Decisions made for the product—not the profit margin.

Man lying awake beside his sleeping partner, with notification symbols above him representing a busy mind struggling to switch off at night.

Some nights, the day follows you to bed.

You can close the laptop. Put down the phone. Turn off the light. Getting your mind to follow is sometimes the harder part.

Being switched on when you need to be is one thing. Still feeling switched on when you’re ready to stop is another.

At the end of the day, we could all use:

A calmer mind.
A body ready to unwind.
Less of the day following you into tomorrow.

Because how we end the day shapes how we begin the next.

The quiet moments matter.

Modern life will always ask for more.

Not everything needs your attention today.

The world will still be waiting tomorrow

Discover SEREIN