This is what a seller of chlorophyll has to say about it:

GRANTS LIQUID CHLOROPHYLL
Grants LIQUID CHLOROPHYLL is made from alfalfa concentrate. Alfalfa is one
of the most alkaline plants known. It is also one of the most complete and
nutritionally rich of all foods. Alfalfa contains high potencies of most
vitamins, minerals and trace minerals. It is high in protein and contains
every essential amino acid. It also contains enzymes that enable food to be
assimilated properly within the body.

Grants LIQUID CHLOROPHYLL helps provide oxygen for the acidophilus bacteria
culture in the bowel.

Grants LIQUID CHLOROPHYLL helps cleanse the body tissues of impurities and
toxins.

The high percentage of iron in Grants LIQUID CHLOROPHYLL helps build red
blood cell count and helps detoxify the liver.

Grants LIQUID CHLOROPHYLL is absorbed readily into the body, as it is
similar in composition to human blood.

Grants LIQUID CHLOROPHYLL provides a balanced mineral and trace mineral
supplement.