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This can turn mild, manageable nausea into severe, dehydrating vomiting
J Stat Soft
Caffeine and green tea extract can reduce appetite, while cocoa bean extract, chromium, and conjugated linoleic acid (CLA) may support insulin sensitivity
Tier placement is based on current health status, not desired speed of results
This is due to certain experimental findings (Yu et al., 2022b)
When deficiency is suspected based on clinical features (fatigue, paraesthesia, cognitive changes) or risk factors (vegan diet, gastric surgery, certain medications), serum B12 measurement guides appropriate intervention
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