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My needle bent or feels dull on the second try. Insulin needles dull after even one use, and bend if they hit anything firm
5 The average intake of vitamin B 12 in the United States is 3.4 mcg per day, and the recommended dietary allowance is 2.4 mcg per day for adult men and nonpregnant women, and 2.6 mcg per day for pregnant women
Difficulty concentrating and impaired memory: These may indicate a Vitamin B12 deficiency, which can also lead to mental health issues like depression and behavioral changes
