What powers
Stem?
Every ingredient in Stem is here for a reason. No filler, no fluff – just a precise blend of natural nootropics and adaptogens that work with your body, not against it.
100mg · Natural Caffeine
Coffeeberry™
A patented whole-coffee-fruit extract delivering standardised, clean caffeine alongside native antioxidant polyphenols. Smoother and more sustained than synthetic caffeine – no spike, no crash.
- Smooth sustained energy
- Natural antioxidants
- No synthetic stimulants
132mg · Per Can
L-Theanine
A naturally occurring amino acid found in green tea that promotes calm, focused mental clarity. Paired with caffeine, it sharpens attention while smoothing out the edges – no jitters, no blood-pressure spike.
- Calm focus without sedation
- Balances caffeine effects
- Supports cognitive function
330mg · Nootropic + Adaptogen Blend
Focus Stack
Lion’s Mane supports mental clarity and cognitive performance. Cordyceps fuels physical stamina and regulates energy at a cellular level – together they form Stem’s functional edge.
- Mental clarity and focus
- Sustained physical energy
- Adaptogenic stress support
0g · No Artificial Additives
Zero Sugar
No sugar, no artificial sweeteners, no artificial colours. Stem is 99.9% sugar free – naturally flavoured, with nothing that doesn’t belong there.
- 99.9% sugar free
- No artificial additives
- 100% naturally flavoured