Black Friday · 9–30 November

Half price.
For life.

Half the usual price on every Holte subscription. Start before 30 November and that price stays on every delivery, for as long as you're subscribed.

4.4 on Trustpilot · Pause or cancel anytime · Pharmaceutical-grade NAD+

NAD+ Pen Refill Cartridge Kit

How the offer works

01

Choose your protocol

Pick any NAD+ or Glutathione product and select the Black Friday subscription.

02

Subscribe by 30 November

Half the usual price is applied automatically. No code needed.

03

Keep 50% off, every delivery

Your price is locked for as long as you stay subscribed. Pause, skip or cancel anytime.

Choose your subscription

Prices per delivery, for life.

What “for life” is worth

A year of the NAD+ Pen Refill Cartridge Kit, delivered every 4 weeks (13 deliveries).

Save £1,072.50 a year
compared with our usual subscription price.

Usual one-off price£4,225
Usual subscription£3,185
Black Friday subscription£2,112.50

Healthy ageing from within

Pharmaceutical-grade

High-purity NAD+, manufactured in-house.

3rd-party tested

Made by us and third-party tested.

Close to 100% bioavailable

The Pen skips digestion, unlike NAD+ pills.

One minute a day

Designed for ease and comfort, at home.

Questions

Does the price really stay at 50% off?

Yes. Start a Black Friday subscription by 30 November and every delivery is charged at half the usual price for as long as your subscription stays active.

Can I pause or cancel?

Anytime, from your account. If you cancel, the offer ends with it.

I already subscribe. Do I get the offer?

This offer is for new subscriptions started between 9 and 30 November. Your current subscription carries on at its existing price.

Are NAD+ Oral Strips included?

The offer covers subscriptions only. Oral Strips are sold as a one-off purchase.

Half price, for life.

Offer ends Monday 30 November at midnight.

Shop the offer

Offer runs 9–30 November 2026 (UK time) on new subscriptions to NAD+ Pen Starter Kit, NAD+ Pen Refill Cartridge Kit, NAD+ Refill Vial, Glutathione Pen Starter Kit and Glutathione Pen Refill Cartridges. Each delivery is charged at 50% of the product's usual price while the subscription remains active. Not available on NAD+ Oral Strips. Cannot be combined with other offers, including the 10% first-order code.