can b12 injections help with anxiety What You Need to Know About Vitamin Vitamin B12 Deficiency Linked to
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doi: 10.1038/nrd3701

Excess copper exposure may interfere with zinc absorption at high systemic doses

In conclusion, B-12 injections may offer some benefits for individuals with autism, but it is essential to understand that this treatment is not a cure for the condition

A recent systematic review and meta-analysis of 21 randomized, placebo-controlled trials examining the effect of B-vitamin supplementation found the supplementation decreased homocysteine concentrations and improved measures global cognitive function but had no effect on individual measures of executive function, information processing speed, or episodic memory (89)
