Vegan reply to "I eat meat because I don't want to take B-12-supplement"

Because of how we grow and treat our soils and plants today, some people can't get it from plants: http://www.tcolincampbell.org/courses-resources/article/b12-breakthrough-missing-nutrient-found-in-plants/
However, we can get it from e.g. yeast, and this together with the fact that we can live a life of optimal health on a vegan diet we have no justification to inflict unnecessary suffering and death upon animals.
It is always wrong to inflict animals suffering despite the lack of necessity, and consuming animal foods is doing this: http://www.abc.net.au/radionational/programs/scienceshow/vege-mice-response/4674360

"We get our vitamin B-12 from yeast; omnivores get theirs from
meat. But all B-12 comes from bacteria—whether
it is found in the gut of ruminating animals who get
it from fermenting plant material in their hindgut,
or in certain strains of nutritional yeast. So if you
adopt a vegan diet but don’t consume an alternative
source of B-12, such as yeast, yes, you may get ill.
But there are plenty of people who have B-12
deficiencies despite their consumption of animal
foods."
Quote: http://www.eatlikeyoucarebook.com/

--

A starch-based vegan diet with fruits and vegetables is very healthy: http://www.drmcdougall.com/

“It is the position of the American Dietetic Association that appropriately planned vegetarian diets, including total vegetarian or vegan diets, are healthful, nutritionally adequate, and may provide health benefits in the prevention and treatment of certain diseases. Well-planned vegetarian diets are appropriate for individuals during all stages of the life cycle, including pregnancy, lactation, infancy, childhood, and adolescence, and for athletes.” — Academy of Nutrition and Dietetics (formerly the American Dietetic Association)

The only supplement you may need is B-12: http://www.drmcdougall.com/med_hot_supplements.html

B-12-deficiency and consumers of animal Foods:
http://www.ars.usda.gov/is/pr/2000/000802.htm

"The researchers also expected to find some connection between dietary intake and plasma levels, even though other studies found no association. And they did find a connection. Supplement use dropped the percentage of volunteers in the danger zone--plasma B12 below 185 pmol/L--from 20 percent to 8. Eating fortified cereals five or more times a week or being among the highest third for dairy intake reduced, by nearly half, the percentage of volunteers in that zone--from 23 and 24 percent, respectively, to 12 and 13 percent.

Oddly, the researchers found no association between plasma B12 levels and meat, poultry, and fish intake, even though these foods supply the bulk of B12 in the diet. “It’s not because people aren’t eating enough meat,” Tucker said. “The vitamin isn’t getting absorbed.”

In the elderly, it’s probably because they don’t secrete enough stomach acid to separate the vitamin from the meat proteins that tightly bind it. But Tucker can only speculate about the reasons for poor absorption of the vitamin from meat among younger adults or why B12 appears to be better absorbed from dairy products than from meats."