Serving of 3oz (85g) Beef ground (cooked)  also have 2.390mcg Vitamin B12, which is 85% of the daily vitamin B12 recommendations (RDA) for lactating women.

Serving size of 3oz (85g) Beef ground (cooked) also has 0.300 mg vitamin B6, which is 15% of the daily vitamin RDA for lactating women.