Compare every Caffeine product across UK retailers on Suppio, ranked by true value - price per serving, not pack size. Prices refreshed daily.
Caffeine is a natural stimulant, which is a substance that increases the activity of the nervous system to make you feel more awake. In supplement form, it is usually provided as a concentrated powder inside a capsule or tablet.
It is primarily used to reduce the feeling of tiredness and improve mental focus. Many people use it to increase their alertness during work or to boost their physical performance and endurance during exercise.
While standalone caffeine provides only the stimulant, a Pre-Workout (Stim) is a complex blend of several different ingredients designed for the gym.
| Feature | Standalone Caffeine | Pre-Workout (Stim) |
|---|---|---|
| Ingredients | Only caffeine | Caffeine plus ingredients like beta-alanine or citrulline |
| Purpose | General alertness and wakefulness | Specific athletic performance and muscle pump |
| Control | Precise control over stimulant dose | Fixed ratio of stimulants to other additives |
Commercial caffeine is typically extracted from natural sources like coffee beans or tea leaves using a solvent, which is a chemical liquid that dissolves the caffeine away from the plant material. This liquid is then purified and dried into a fine white powder. Finally, this powder is measured and packed into capsules or pressed into tablets for sale.
This supplement sits in a mid-range price tier. While the raw caffeine powder is relatively inexpensive to produce, the cost is influenced by the quality of the capsule materials and the precision of the dosing used by the manufacturer.
Suppio matches identical products across UK retailers by barcode, then ranks by price per active dose rather than sticker price. Value rankings only ever include listings Suppio has independently verified against the live retailer page - unverified data is shown on each product’s own page but excluded from ranking.
Prices across our retailer network are refreshed at least daily.
Suppio matches identical products across UK retailers by barcode, then ranks by price per active dose rather than sticker price. Value rankings only ever include listings Suppio has independently verified against the live retailer page - unverified data is shown on each product’s own page but excluded from ranking.
Prices across our retailer network are refreshed at least daily.
Related: Single Serving, Liquid / Drops, Endurance Fuel, Energy Drink, Pre-Workout