By ensuring adequate levels of B12 through injections, individuals may notice improvements in memory, focus, and overall cognitive performance
Chakrabarti/Campbell Am J Case Rep 2026
Fermented foods (such as tempeh), nori, spirulina, chlorella algae, and unfortified nutritional yeast cannot be relied upon as adequate or practical sources of B-12.39,40 Vegans must regularly consume reliable sourcesmeaning B-12 fortified foods or B-12 containing supplementsor they could become deficient, as shown in case studies of vegan infants, children, and adults
Reviewed by Brandon Johnson Certified Personal Trainer, Nutrition Coach & Peptide Research Consultant Brandon Johnson is a certified personal trainer, nutrition coach, and peptide research consultant with a background in kinesiology and over 15 years of experience in fitness and wellness
Food and Drug Administration (2024) 8
However, its always advisable to monitor your condition and B vitamin levels over time