1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6380359/

  2. https://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/protein/

  3. https://www.medicalnewstoday.com/articles/323129

  4. https://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/iron/

  5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6482437/

  6. https://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/zinc/

  7. https://www.hsph.harvard.edu/nutritionsource/what-should-you-eat/sugar/

  8. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5788472/