how much vitamin b12 should i inject Injection Dosage and Frequency: 7 Guidelines for Adults How to Give a B12

Use and beyond-use dating should follow internal laboratory SOPs and applicable regulatory guidance

Foods High in Vitamin B12 Animal Sources Mussels 18 mcg / 2.5 oz (75g) Clams 15 mcg / 2.5 oz (75g) Mackerel 13 mcg / 2.5 oz (75g) Crab (Alaska King) 9 mcg / 2.5 oz (75g) Sardines 7 mcg / 2.5 oz (75g) Trout 6 mcg / 2.5 oz (75g) Salmon 4 mcg / 2.5 oz (75g) Tuna (light) 2 mcg / 2.5 oz (75g) Beef 2 mcg / 2.5 oz (75g) Cheese 1 mcg / 1.5oz (50g) Egg 1 mcg / 1 egg Poultry (Chicken, Turkey) 0.5 mcg / 2.5 oz (75g) Pork 0.5 mcg / 2.5 oz (75g) Milk 0.5 mcg / 1 cup (250mL) Yogurt 0.5 mcg / cup (175mL) Plant-Based (Fortified) Sources Fortified non-dairy beverage 1 mcg / 1 cup (250mL) Fortified Nutritional Yeast 4 mcg / 1 Tbsp Fortified Breakfast Cereal 1 mcg / 1 cup Access all of DSCs ready-to-use client-facing handouts as a DSC member, including Common Food Sources of Vitamin B12

Sterile water is also the appropriate choice in clinical settings where single-use protocols are required by policy

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