Peter Singer-Animal Liberation

(BlackTrush) #1

plantfoodsasfarasproteinisconcerned,seeKeithAkers,A
Vegetarian Sourcebook, chapter 2.


37.F.R. Ellisand W.M.E. Montegriffo,“TheHealth of
Vegans,” Plant Foods for Human Nutrition, vol. 2, pp.
93-101(1971).SomevegansclaimthatB12supplementsare
not necessary,on thegroundsthatthehumanintestinecan
synthesize this vitamin from other B-group vitamins. The
question is, however, whether this synthesis takes place
sufficientlyearlyinthedigestiveprocessfortheB12tobe
absorbed rather than excreted. At present the nutritional
adequacyofanall-plantdietwithoutsupplementationisan
open scientificquestion;accordinglyitseems safer to take
supplementary B12. See also F. Wokes, “Proteins,” Plant
Foods for Human Nutrition, p. 37.


Chapter 5


1.Genesis 1:24–28.


2.Genesis 9:1–3.


3.Politics,Everyman’sLibrary,(London:J.M.Dent&Sons,
1959), p. 10.


4.Politics, p. 16.



  1. W. E. H. Lecky, History of European Morals from
    Augustus to Charlemagne (London: Longmans, 1869), 1:
    280–282.


6.Mark 5:1–13.

Free download pdf