Beef
High creatine, CoQ10, heme iron, and complete protein
High creatine, CoQ10, heme iron, and complete protein
Complete protein with niacin, zinc, and tryptophan
Algae with bioavailable true vitamin B12 and antioxidant support
High taurine and B12 content
Bivalve shellfish providing B12, iron, zinc, selenium, and marine taurine
Complete protein with choline, B vitamins, and phospholipids
Plant-based milks fortified with B12, D, and sometimes iodine
Nutrient-dense organ meat with bioavailable B12, retinol, iron, and CoQ10
Functional plant food with iron and B12 for vegan nutrient gaps
Complete protein, nicotinamide riboside, and calcium
Nutrient-dense bivalve providing phospholipid-bound omega-3s; accepted by some vegans (ostroveganism)
Red seaweed providing iodine and amino acid precursors for creatine synthesis
Fortified yeast providing B12, B6, and NAD+ precursors
Nutrient-dense offal including liver, heart, kidney
Highest zinc content among common foods; unique source of phospholipid-bound omega-3s; accepted by some vegans (ostroveganism)
Oily fish rich in EPA/DHA, protein, and B vitamins
Small oily fish rich in EPA/DHA, CoQ10, and calcium
High tryptophan and niacin for serotonin synthesis and NAD+ production
Fermented dairy providing probiotics and complete protein
Methylation; myelin; mitochondrial odd-chain FA metabolism