“Can you suggest a supplement for vitamin B12 deficiency?”

Greens

IM B12 injection.

It depends on how low your value is. If it is only marginally low, you should be able to get back up to normal levels via your diet. Below is a short list of B12 rich foods:

Top 10 Vitamin B12 Foods
Here are just some of the vitamin B12 foods you can consume on a regular basis to make sure you’re getting enough of this essential vitamin in your diet:

Beef liver: 1 ounce: 20 micrograms (over 300 percent DV)
Sardines: 3 ounces: 6.6 micrograms (over 100 percent DV)
Atlantic mackerel: 3 ounces: 7.4 micrograms (over 100 percent DV)
Lamb: 3 ounces: 2.7 micrograms (45 percent DV)
Wild-caught salmon: 3 ounces: 2.6 micrograms (42 percent DV)
Nutritional yeast: 1 tablespoon: 2.4 micrograms (40 percent DV)
Feta cheese: 0.5 cup: 1.25 micrograms (21 percent DV)
Grass-fed beef: 3 ounces: 1.2 micrograms (20 percent DV)
Cottage Cheese: 1 cup: 0.97 micrograms (16 percent DV)
Eggs: 1 large: 0.6 micrograms (11 percent DV)

Best to start with 1 mg Vitamin B12 as a dissolve lozenge. Take one daily any time of dayto start.
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