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The Science
Avoid repeated freeze-thaw cycles and keep materials in their original sealed container until ready for use
The Korean Journal of Pain
Nevertheless, observational studies such as these cannot determine whether low levels of vitamin B12 were the cause of the weight gain or whether higher levels of vitamin B12 protected against lower levels
Do a vitamin B12 test If you suspect your vitamin B12 levels are low, or youre worried about nutritional deficiencies after adopting a vegan diet, you can do a urine or blood test to check your vitamin b12 levels
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