Vitamin B12 and folate (aka vitamin B9) work together in a very productive partnership. Unfortunately, government statistics show that 30% of the US population is deficient in vitamin B12 and 75% in folate. This is using the Recommended Daily Allowances (RDA) as a reference, which many experts believe are far too low. And since they often work together, a deficiency in one means the other won’t work as it should. So it wouldn’t be too surprising to find you’re deficient in one or both, especially if you’re over the age of 50 when both B12 and folate levels start to decline. Because these two B vitamins participate in so many different biochemical processes, deficiencies can produce a wide range of symptoms: Do you have low energy? Feel weak, or get dizzy spells? Do you find you’re getting more irritable or feeling a bit low? Is your memory getting worse? Is it harder to learn new things; easier to get distracted and confused?  Do you have balance, vision or hearing proble…