answer with true or false 1-Most herbal or botanical dietary supplements are consumed for their nutritional qualities.Comfrey contains toxic...

answer with true or false 

1- Most herbal or botanical dietary supplements are consumed for their nutritional qualities.

2.Comfrey contains toxic alkaloids that can cause liver damage

3.Lupoid hepatitis could be seen in a patient having an adverse reaction to a dietary supplement with strong pharmacoligical action.

4.Absorption and distribution are pharmacokinetic principles

5.Vitamin C was synthesized by Norman Haworth in the early 1900's.