Useful sources of good quality research information
Chart outlining human insulin preparations including time to onset, time to peak, and duration of effect.
Chart variously outlining non-insulin preparations including half-life, time to peak, duration of effect, and time to steady state.
A number of terms are applied to B vitamins and are often used interchangeably and so can become confusing.
This website is also guilty of using the terms interchangeably.
The table to the left identifies the terms we use for each B vitamin.