Three nutrients are essential for making healthy red blood cells: iron (the core of hemoglobin), vitamin B12 and folate (both needed for cell production). Deficiency in any can cause anemia.
Iron: red meat, beans, spinach. B12: meat, eggs, dairy (vegans need a supplement). Folate: leafy greens, legumes. Per the NIH ODS, a balanced diet supplies most people’s needs.
HemaRenew is a plant-based blend; for a diagnosed deficiency, your doctor may recommend a specific nutrient at a specific dose, which a blood test guides.