Weight and goal
Cutting, maintaining and building use different grams per kilo.
Get a daily protein range from your weight and goal, split across three meals. Water is estimated from weight and activity, in litres and cups.
Open Protein & Water →Cutting, maintaining and building use different grams per kilo.
More activity means more fluid.
Evenly across meals beats one large serving.
Use Manlin to reflect, plan and take your next step.

Within typical ranges there is no evidence of harm in healthy people; follow medical advice if you have kidney disease.
Mostly, yes, though caffeine is mildly diuretic; water is the better default.