Vegan Facts

    Vegans are deficit in b12:

    http://jamanetwork.com/journals/jamaneurology/fullarticle/784788
    https://www.ncbi.nlm.nih.gov/pubmed/16219987

    High fiber diets reduce serum half life of vitamin D3:

    https://www.ncbi.nlm.nih.gov/pubmed/6299329

    Vegans have weaker bones due to lower calcium intake and vitamin D3 levels:

    http://jamanetwork.com/journals/jamainternalmedicine/fullarticle/486478
    https://www.ncbi.nlm.nih.gov/pubmed/21092700

    Vegans have a worse memory compared to non vegans due to creatine deficiency in vegans:

    https://www.ncbi.nlm.nih.gov/pubmed/21118604
    https://www.ncbi.nlm.nih.gov/pubmed/14561278

    Vegans have less gains compared to non vegans:

    http://m.ajcn.nutrition.org/content/70/6/1032.full

    Vegans are deficient in omega threes:

    https://www.ncbi.nlm.nih.gov/pubmed/16087975
    https://www.ncbi.nlm.nih.gov/pubmed/16188209
    https://www.ncbi.nlm.nih.gov/pubmed/12323090
    https://www.ncbi.nlm.nih.gov/pubmed/12323085

    Vegans are deficit in carnitine:

    https://www.ncbi.nlm.nih.gov/pubmed/21753065
    https://www.ncbi.nlm.nih.gov/pubmed/2756917
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1628441/
    https://www.ncbi.nlm.nih.gov/pubmed/11043928

    Vegans are deficient in taurine:

    https://www.ncbi.nlm.nih.gov/pubmed/3354491

    Vegans are deficient in iodine:

    https://www.ncbi.nlm.nih.gov/pubmed/12748410
    https://www.ncbi.nlm.nih.gov/pubmed/21613354

    Vegans are deficient in Coenzyme Q10:

    https://www.ncbi.nlm.nih.gov/pubmed/16873950

    Vegans are deficient in iron due to the fact that iron from plant sources is less bioavailable than iron from meat sources:

    https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/
    https://www.ncbi.nlm.nih.gov/pubmed/11269606

    Vegans are deficient in vitamin A:

    https://www.ncbi.nlm.nih.gov/pubmed/19103647
    http://m.jn.nutrition.org/content/137/11/2346.full


    Vegans have a lower sperm count than non vegans:

    https://www.ncbi.nlm.nih.gov/pubmed/35465
    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3257705/

    Vegans have lower testosterone than non vegans:

    https://www.ncbi.nlm.nih.gov/pubmed/1435181
    http://m.ajcn.nutrition.org/content/42/1/127.abstract
    https://www.ncbi.nlm.nih.gov/pubmed/159772
    http://m.jap.physiology.org/content/82/1/49

    Veganism causes loss of libido and erectile dysfunction:

    https://www.ncbi.nlm.nih.gov/pubmed/21353476

    Children who are raised on strict vegan diets do not grow normally:

    https://www.ncbi.nlm.nih.gov/pubmed/4067152
    https://www.ncbi.nlm.nih.gov/pubmed/8005079

    Children develop rickets after prolonged periods of strict vegetarian diets:

    http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1874810/pdf/canmedaj01383-0052.pdf

    "There are some links between vegetarians and lower birthweight and earlier labour"

    https://www.ncbi.nlm.nih.gov/pubmed/7788369

    Effects of vitamin B12 and folate deficiency on brain development in children:

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3137939/

    "Particular attention should be paid to adequate protein intake and sources of essential fatty acids, iron, zinc, calcium, and vitamins B12 and D. Supplementation may be required in cases of strict vegetarian diets with no intake of any animal products."

    https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2912628/

    These next five are case studies:

    Cerebral atrophy in a vitamin B12-deficient infant of a vegetarian mother:

    https://www.ncbi.nlm.nih.gov/pubmed/25076673

    Severe megaloblastic anemia in child breast fed by a vegetarian mother:

    https://www.ncbi.nlm.nih.gov/pubmed/8442642

    Consequences of exclusive breast-feeding in vegan mother newborn - case report:

    https://www.ncbi.nlm.nih.gov/pubmed/19748244

    Nutritional vitamin B12 deficiency in a breast-fed infant of a vegan-diet mother:

    https://www.ncbi.nlm.nih.gov/pubmed/3948463

    "We report the case of a 7 month-old girl that presented with acute anemia, generalized muscular hypotonia and failure to thrive. Laboratory evaluation revealed cobalamin deficiency, due to a vegan diet of the mother."

    https://www.ncbi.nlm.nih.gov/pubmed/18293883