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- Does Cmax decrease over time relative to the half life?

I'm interested in chemistry but it's all new for me and I'm just starting out. I tried to do some calculations but got stuck...

I was wondering, for example a supplement has the following values:

Molar mass: 306.247 g mol-1

Tmax 2-4 hours

Cmax 363.3 ng / ml

Half life: 11.21 hours

How do you calculate the ng / ml after 5 days at dosing 100mg? Since that 363 ng/ml is at the peak between 2-4 hours if I'm not mistaken?

If you use the half life calculation you get a value of ~0.097mg in the system but I assume that it differs per ml for how much someone weighs? Someone at 80kg is probably different then 100kg?

I was wondering, for example a supplement has the following values:

Molar mass: 306.247 g mol-1

Tmax 2-4 hours

Cmax 363.3 ng / ml

Half life: 11.21 hours

How do you calculate the ng / ml after 5 days at dosing 100mg? Since that 363 ng/ml is at the peak between 2-4 hours if I'm not mistaken?

If you use the half life calculation you get a value of ~0.097mg in the system but I assume that it differs per ml for how much someone weighs? Someone at 80kg is probably different then 100kg?