Josie vs Celsius: Label vs Label

Comparing Celsius and Josie honestly, using what each brand prints on its own label. Celsius is one of the biggest energy drink brands in the world and works well for a lot of people. Josie is built for a different job. Here is the label-by-label breakdown so you can pick the right can for yours. Full disclosure: this page is written by Josie.

The label comparison

Celsius Josie
Caffeine per can 200mg (listed as caffeine anhydrous, synthetic) 65mg, natural, from green tea
Caffeine in coffee terms About 2 to 3 cups at once About one espresso
Sweetener Sucralose Monk fruit (plant-derived), no artificial sweeteners
Sugar 0g 0g
Functional ingredients Vitamins and brand-specific blend (see label) Lion's Mane (traditionally used for focus), Cordyceps (traditionally used for endurance), Vitamin B12
Base Sweetened energy drink Sparkling water
Ingredient list length See label Seven ingredients

Label facts current as of July 2026; formulas can change, always check the can in your hand.

Who each can is for

Celsius fits people who want maximum stimulation in one can: pre-workout intensity, long shifts, the biggest possible jolt.

Josie fits people who read labels and want a moderate dose: an afternoon can that will not follow you to bedtime (caffeine's half-life is roughly 5 to 6 hours for most adults, so dose size matters), a lighter pre-workout, or a step down from 200mg-a-day habits. It tastes like crisp flavored sparkling water rather than candy, because the only sweetness is a light touch of monk fruit.

The honest bottom line

If you want 200mg, Celsius does exactly what it says. If 200mg is more than you want, Josie gives you real caffeine at about a third of the dose with a seven-ingredient label: carbonated water, Lion's Mane, Cordyceps, B12, 65mg green tea caffeine, monk fruit, natural flavors. Zero sugar, zero calories.

Try all four flavors with the Josie variety pack ($39.99 for 12 cans), or read the full ingredient breakdown. No sugar. No calories. No weird stuff.

FAQ

Is Josie stronger than Celsius?

No. Celsius lists 200mg of caffeine per can; Josie has 65mg of natural caffeine from green tea, about one espresso. Josie is intentionally the moderate-dose option.

Does Celsius have sucralose?

Yes, sucralose appears on the ingredient label of standard Celsius cans. Josie contains no artificial sweeteners; its light sweetness comes from plant-derived monk fruit.

Which is better for the afternoon?

Dose math favors the smaller can later in the day: caffeine's half-life is roughly 5 to 6 hours for most adults, so 65mg at 3pm leaves far less caffeine at bedtime than 200mg does.