Pump Stim Free Pre Workout + Free Glycersize™
PER4M PUMP is an innovative stim-free pre-workout built to deliver powerful muscle pumps, sharp focus and consistent performance - all without the caffeine crash. Ideal for serious gym-goers who want maximum results at any time of day, including evening training.
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10g L-Citrulline – for enhanced blood flow and muscle fullness
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2g Taurine – for hydration and performance
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Neuro blend – to support focus and mind-muscle connection
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Zero caffeine – perfect for stacking with stim-based pre-workouts
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Includes Glycersize™ – for next-level hydration, volume and vascularity
Where most pump formulas suffer from clumping due to moisture-absorbing ingredients like Glycerol, PER4M PUMP takes a smarter approach. To keep the formula smooth and easy to use, Glycersize™ is provided as a separate formula included free with every tub. Add it alongside your PUMP serving to experience full-body hydration, increased endurance and muscles that look fuller and more vascular - without the mess of clumped powders.
Glycersize™ is a premium glycerol formula that helps hydate your muscles, keeping full and vascular during training. It boosts endurance and pump, and by including it as a separate scoop you get all the benefits without the clumps.
With no mess, no compromise, and a smooth mixing, incredible flavour with results you can feel - PER4M PUMP delivers the ultimate pump without the clump, making it the stim-free pre-workout your training deserves.
Delivery Terms & Conditions / Options & Info
Operated by Nutrition & Internet Supplements Limited (trading as NI Supplements). Last updated: 13 October 2025
Cut-off & processing: Orders placed before 1 p.m. (UK time) are processed the same working day. Courier networks operate Monday–Saturday (excluding Bank Holidays). Delivery times below exclude Sundays unless stated.
UK Mainland (excluding Highlands & Islands)
Orders under £50
| Service | Price | Speed | Notes |
|---|---|---|---|
| 1–2 Day Delivery (No Signature Required) | £2.95 | Fully tracked; 91% delivered next day if ordered before 1 p.m. (excl. Sundays) | Photographic & GPS delivery proof confirms delivery. Non-delivery claims are investigated; parcels confirmed delivered by Royal Mail are not eligible for replacement. |
| 1–2 Day Delivery (Signature Required) | £3.35 | Fully tracked; 91% delivered next day if ordered before 1 p.m. (excl. Sundays) | Signature required at delivery. |
FREE delivery on orders over £50
| Service | Price | Speed | Notes |
|---|---|---|---|
| 4–5 Day Delivery (No Signature Required) | Free | Fully tracked (excl. Sundays) | Terms for “No Signature Required” (photo/GPS proof) apply. |
| 4–5 Day Delivery (Signature Required) | Free | Fully tracked (excl. Sundays) | Signature required. |
Reminder: Selecting “No Signature Required” means your parcel may be left at your address or a designated safe location without a signature, with photo/GPS proof used to confirm delivery.
UK Mainland (excluding Highlands & Islands)
Orders under £50
| Service | Price | Speed | Notes |
|---|---|---|---|
| 1–2 Day (No Signature) | £2.95 | Tracked; 91% next-day before 1 p.m. | Photo/GPS proof confirms delivery; confirmed deliveries not eligible for replacement. |
| 1–2 Day (Signature) | £3.35 | Tracked; 91% next-day before 1 p.m. | Signature required. |
FREE on £50+
| Service | Price | Speed | Notes |
|---|---|---|---|
| 4–5 Day (No Signature) | Free | Tracked | Photo/GPS proof terms apply. |
| 4–5 Day (Signature) | Free | Tracked | Signature required. |
Northern Ireland
| Service | Price | Speed | Notes |
|---|---|---|---|
| Free on £50+ | Free | 2–3 working days | Tracked |
| Express (No Signature) | £1.99 | Next-day before 1 p.m. | Photo/GPS proof |
| Express (Signature) | £2.49 | Next-day before 1 p.m. | Signature required |
Ireland
| Service | Price | Speed | Notes |
|---|---|---|---|
| Free on £70+ | Free | 2–4 working days | Tracked; order before 1 p.m. |
| Reduced Rate on £50+ | £2.99 | 1–2 working days | Parcelforce/GLS; tracked |
| Express under £50 | £4.99 | Next-day before 1 p.m. | Tracked; Mon–Fri dispatch |
| Standard under £50 | £4.99 | 1–2 working days | Parcelforce/GLS; tracked |
EU & International
Rates shown at checkout.
Customs: Customs delays are outside our delivery times and not our responsibility; we cannot contact customs to expedite.
General Delivery Terms
- No Signature Required: By selecting this option you agree your parcel may be left at the delivery address or a designated safe location without a signature. Photographic and GPS proof from the courier confirms delivery. Claims of non-delivery will be investigated, but parcels confirmed delivered are not eligible for replacement.
- Signature Required: A signature will be obtained at delivery; choose this for added security.
- Same-day dispatch (express): Guaranteed for orders placed before 1 p.m. Courier delays can occasionally occur.
- Working days: Processing Mon–Sat (excl. Bank Holidays). Deliveries do not include Sundays unless stated by the service.
- Cut-off: Orders after 1 p.m. are processed the next working day.
Failed Delivery & Returns to Sender
If an order is returned due to customer error (e.g., failure to take delivery or arrange collection/redelivery), a re-shipping fee applies. Alternatively, a refund of the item price minus our shipping costs can be provided. If the error is ours, we will re-ship at our expense.
Questions about shipping?
For queries on shipping times and order status please email hello@nisupplements.com.
Nutrition & Internet Supplements Limited (trading as NI Supplements)Unit 5, Graham Industrial Park, Dargan Crescent, Belfast, Co Antrim, BT3 9LP, United Kingdom
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