Caffeine

Compare every Caffeine product across UK retailers on Suppio, ranked by true value - price per serving, not pack size. Prices refreshed daily.

What it is

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.

Why it's used

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.

How it compares to Pre-Workout (Stim)

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

How it's made

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.

What it typically costs

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.

How Suppio ranks

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.

Tenzing Black Cherry, Guarana & Goji Plant Power Shot 150ml [Best Before: 18/03/2025] - from £0.39
Boost Energy Drink 1x250ml- 1x250ml / Sugar Free-Original - from £0.75
Protein Dynamix Dynamo Mixed Berry Energy Drink 330ml - from £0.79
Huel A-Z Daily Vitamin Drinks - CHERRY & RASPBERRY - from £0.89
Science In Sport GO Isotonic Energy Gel 1x60ml - 1x60ml / Lemon Lime - from £0.89
Applied Nutrition Velocity-Fuel Sprint + Caffeine (1 x 60 ml) - from £0.95
226ers SUB-9 Pro Salts Electrolytes - Packet (2ct) / Electrolyte Caps - from £0.95
Applied Nutrition ABE (1 Serving Sample) - from £0.99
Applied Nutrition ABE 12.5G- Watermelon - from £0.99
Applied Nutrition ABE- Sample- 1 Serving- Candy Ice Blast - from £0.99
Applied Nutrition Body Fuel Energy Shots (1 x 60 ml) - from £0.99
Torq Energy Drink - Single Serve / Lemon - from £1.00
REIGN Total Body Fuel Energy Drinks - ORANGE DREAMSICLE - from £1.00
Boost Energy Boost Iced Coffee 1x250ml- 1x250ml / Caramel Latte - from £1.19
MOVE Pre-Workout Endurance Formula - Single Serve / Strawberry & Lime - from £1.20
Applied Nutrition BODYFUEL™ 330ML ENERGY x 1 - Blue Raspberry - from £1.25
Virtue Clean Energy Yerba Mate (1 x 250 ml) - from £1.25
High5 Energy Gel Caffeine (1 x 40g) - from £1.29
High5 Energy Drink Caffeine Hit (1 x 47g) - from £1.29
Biotech USA ISO Whey Zero Sample Sachet 25g - Strawberry - from £1.34
NI Supplements Vegan Protein, Banana- 25 grams (1 serving) - from £1.34
BioTechUSA Black Blood Shot (1 x 60 ml) - from £1.35
High5 Energy Gel Aqua Caffeine (1 Gel) - from £1.35
SiS Go Energy + Caffeine (1 Gel) - from £1.35
Peak Body Kaffeine Kick (1 x 50g Bottle) - from £1.39
Skratch Labs Sport Hydration Drink Mix - Single Serve / Orange - from £1.40
Reflex Nutrition The Bomb Sample (20g) - Blue Razz - from £1.45
Applied Nutrition Velocity Fuel Sprint Gel - Black Currant / 60ml - from £1.45
Optimum Nutrition Amino Energy + Electrolytes (1 x 250 ml) - from £1.49
Hype Energy Drink (1 x 250 ml) - from £1.49
Hilltop Energy Gel - Single Serve / Original - from £1.49
Bodybuilding Warehouse Pure Caffeine Tablets (200mg)- 100 Tabs - from £1.49
Olimp Carni Tea Xplode (1 x 330 ml) - from £1.49
Tenzing Natural Energy + BCAA Apple & Seaberry (1 x 330 ml) - from £1.49
BetterYou Magnesium Water Focus (1 x 250 ml) - from £1.49
DY Nutrition Blood & Guts Pre-Workout Sample (19g)- 1 Serving- Mango - from £1.50
DY Nutrition Blood & Guts Pre-Workout - Sachet - Bubblegum - 19g - from £1.50
Applied Nutrition SPRINT ENERGY GEL 60G WITH CAFFEINE - Orange - from £1.50
Optimum Nutrition Pre-Workout Energy Shot (1 x 60 ml) - from £1.50
Applied Nutrition ABE Pre Workout Shot Energy 60ml - Energy - from £1.50
Myprotein Pro x Hyrox THE Pre-Workout Gel Sour Cherry 48ml- Sour Cherry - from £1.50
Applied Nutrition ABE Ultimate Pre Workout Gel Energy 60g- Energy - from £1.50
fourfive Hydro Hydration Energy & Focus - Single Serve - from £1.50
NXT Nutrition TNT Nuclear Shots (1 Shot) - from £1.59
Cellucor C4 Sugarfree Energy Drink- Orange Slice - from £1.59
PowerBar PowerGel Hydro Caffeinated (1 Sachet) - from £1.59
QNT Kick Power Drink (1 Bottle) - from £1.59
PowerBar Power Gel Caffeinated (1 Gel) Best Before Jul-2026 - from £1.59
PowerBar Caffeine Boost (1 x 25 ml) - from £1.59
Cellucor C4 Sugarfree Energy Drink- Pineapple - from £1.59
Muscle Moose Juice Energy Drink 1 x 500ml - Candy Soda - from £1.65
Little Dragon Intense Energy Shot (1 x 60 ml) - from £1.69
Furocity Tyson Fury Energy Drinks - BERRY FREEZE - from £1.69
226ers High Fructose Gel XS - Single Serve / Neutral - from £1.70
Mountain Fuel Hydrogel Sports Jelly- Single Serve / Lemon & Lime - from £1.70
Optimum Nutrition Amino Energy Electrolytes RTD 1x250ml- Pink Lemonade - from £1.75
NXT Nutrition TNT Nuclear Shots- Kiwi Lime / 1 Shot - from £1.75
NXT Nutrition NXT TNT NUCLEAR 330ml x 1- Cherry Cola - from £1.79
Muscle Moose Energy Shot Rainbow Candy - from £1.79
Bloom Nutrition Zero Sugar Sparkling Energy Drinks - PEACH MANGO - from £1.79