Eel is a distinctly fatty fish compared to most other freshwater and marine species, offering a rich lipid profile alongside substantial protein content. It provides all essential amino acids in a complete profile suited to muscle maintenance, tissue repair, and systemic metabolic function. The fat content in eel is notably high and composed in part of monounsaturated fatty acids as well as omega-3 fatty acids, including EPA and DHA, that support neurological health, cardiovascular function, and resolution of inflammatory processes. Eel is an exceptional source of vitamin A in its preformed retinol form, which is directly bioavailable without conversion and supports vision, epithelial tissue integrity, immune function, and gene transcription. Vitamin D is present in eel at levels meaningfully higher than many other fish species, supporting calcium absorption, musculoskeletal function, immune modulation, and hormonal signaling pathways. Vitamin E is found in eel and contributes to lipid peroxidation protection, particularly relevant given the polyunsaturated fatty acid content of the tissue. B12 levels are high and support myelin maintenance, erythropoiesis, and one-carbon metabolic cycling. Niacin and riboflavin support mitochondrial electron transport and oxidative phosphorylation. Phosphorus and calcium are both present and contribute to skeletal mineralization and cellular signaling. Zinc supports immune function, hormone synthesis, and enzymatic activity. The caloric density of eel is higher than lean fish species due to its fat content, making it a meaningful energy source for individuals with elevated caloric needs or for supporting fat-soluble nutrient absorption. The combination of fat-soluble vitamins, long-chain fatty acids, and complete protein makes eel one of the more nutrient-dense animal foods available within a carnivore framework.

• Vitamin A: 1137mcg (epithelial integrity, immune signaling, visual system support)
• Vitamin B12: 2.9mcg (neurological function, red blood cell formation, DNA synthesis)
• Vitamin D: 932IU (calcium regulation, immune modulation, skeletal support)
• Vitamin E: 4mg (cellular antioxidant protection, membrane integrity)
• Niacin (B3): 4.5mg (cellular energy metabolism, NAD coenzyme production, nervous system support)
• Thiamin (B1): 0.18mg (carbohydrate metabolism, nerve function support)
• Phosphorus: 277mg (bone and cellular structure, ATP synthesis, metabolic repair)
• Potassium: 349mg (electrolyte balance, muscular contraction, cardiovascular function)
• Zinc: 2.1mg (immune signaling, tissue repair, enzymatic activity)
• Magnesium: 26mg (enzyme activation, muscle and nerve regulation, ATP production)
• Omega-3 Fatty Acids (EPA and DHA): 700mg (cardiovascular support, brain membrane integrity, inflammatory response regulation)
• Folate: 17mcg (DNA synthesis, cell division support, amino acid metabolism)

These values are approximate and can vary based on factors such as the specific cut of beef and cooking method.