The stated rationale is a better post-meal GLP-1 response and less insulin resistance, rather than calorie counting on its own
Yet, a randomized, double-blind, placebo-controlled trial in 215 men (35-55 years old) found that daily supplementation with B vitamins (at 3 to 13 times the current RDA, except for folic acid, which was included at a dose equivalent to the RDA), vitamin C (500 mg/day), zinc (10 mg/day), and magnesium (100 mg/day) for 33 days had no effect on measured performance of executive functions, including the Stroop color-word test, the peg-and-ball task, and the Wisconsin card-sorting task (134)
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Ronksley, P
While these studies have greatly enhanced our understanding, their clinical translation faces multiple bottlenecks including limited availability, high costs, potential pathogen risks, and immune rejection challenges (Zhao et al., 2021
Consulting healthcare providers about symptoms and preventive measures can help manage potential infection risks effectively