free us shipping on orders over $35
after a trail run, a quantum bar at the tailgate two friends sharing a quantum bar on a park bench a quantum bar in the kitchen doorway, garden behind

real energy for days.

shop the bar
peanut butter
dark chocolate
best seller
★★★★★ (128)
pb dark chocolate$19.95
100mg caffeine, 10g plant protein, 8-pack
buy pb dark chocolate - $19.95
dark chocolate
himalayan salt
★★★★★ (94)
dark choc salt$19.95
100mg caffeine, 10g plant protein, 8-pack
buy dark choc salt - $19.95
salted peanut
butter crunch
★★★★★ (87)
salted pb crunch$19.95
100mg caffeine, 10g plant protein, 8-pack
buy salted pb crunch - $19.95

built for summer. and the 2pm slump.

a drink melts, spills and never makes it through security. a bar wins everywhere: the beach bag, the gym bag, the glovebox.

find your moment
caramel almond
sea salt
★★★★★ (76)
caramel almond$19.95
100mg caffeine, 10g plant protein, 8-pack
buy caramel almond - $19.95
the variety
pack
all six flavors
★★★★★ (211)
variety 12-pack$27.95
all six flavors in one box
buy the variety pack - $27.95
chocolate fix
+ sweet salty
12-pack
★★★★★ (63)
curated packs$27.95
three flavors each, four of each bar
buy curated packs - $27.95
on the trail
real food inside

the one ingredient you can feel

the functional aisle is full of ingredients you have to take on faith. fiber, adaptogens, nootropics: good for you, invisible to you. caffeine is the one functional ingredient with a felt, immediate, consistent effect. quantum is built around it.

how it works
how it works

sustained energy by design.

an energy drink spikes and crashes. quantum comes on gently and holds, because the caffeine arrives with real food that slows how it is absorbed.

energy drinkquantum
the spike the crash the second can still going
7am 10am 2pm 6pm 10pm
100mgclean caffeine
10gplant protein
0crash

sustained energy by design

100mg clean caffeine from organic green coffee, paired with 10g plant protein and real-food macronutrients that slow how the caffeine is absorbed. the energy releases slowly. no spike, no crash.

the science