Use good whey or casein proteins as Scitec at vanilla or hazelnut taste. Integrate with half coconut milk powder or fresh coconut milk. Finally with instant coffee.
The result will be a great creamy cappuccino with a lot of energy.
The integration with coconut is key to give low release and hydrating energy.
To evaluate protein quality, check if they melt easily and create a cream. When adding warm water, the proteins must stay creamy.