References:

¹ NHS – Vitamin B12 and Folate Deficiency Anaemia
² Harvard Health – Heartburn Medicine Users: Watch Vitamin B12 Levels
³ Viva! – B12 and the Vegan Diet Factsheet
⁴ Examine.com – What Impacts the Conversion of ALA to DHA and EPA?
⁵ Harvard Health – Finding Omega-3 Fats in Fish: Farmed Versus Wild
⁶ NHS – Fish and Shellfish Nutrition
⁷ Realm of Caring – The Importance of the Ratio of Omega-6/Omega-3 Essential Fatty Acids

⁸ Allen LH. Causes of vitamin B12 and folate deficiency. Food Nutr Bull. 2008;29(2 Suppl):S20–34.

⁸ Tucker KL et al. Vitamin B12 status and intake among older adults: Framingham Offspring Study. Am J Clin Nutr. 2000;71(2):514–522.

⁹ Stark KD et al. Global survey of the Omega-3 Index. Prog Lipid Res. 2016;63:132–152.