Science, not hype

Chewing stimulates saliva and keeps actives in contact with oral tissues. That matters for ingredients that can absorb through the mouth, often faster than waiting on full digestive breakdown.

Our copy talks about minutes, not hours, because that is what people report in real use, and because the format is built for quick onset, not slow drip.

Caffeine, L-theanine, L-tyrosine, and B vitamins are included at doses you can see on every pack. We chose each for a role in alertness, smooth focus, or daily metabolic support, not to pad an ingredient list.

For full transparency (including inactive ingredients), head to Ingredients.

Nerva is a food supplement style product, not medicine. Individual responses vary. If you have health conditions or take medication, speak with a qualified professional before use.