Just because your B12 is in range doesn’t mean it’s good! — Serum B12 blood test is pretty 💩 at detecting deficiency. Be skeptical if your Doctor sais ‘your B12 is in range you’re normal’, yet you’re experiencing adverse symptoms (fatigue, memory problems, weakness, dizziness, infertility) or just want to be proactive with your health. Who Should Be Concerned? B12 Deficiency High-Risk Groups: Plant-based eaters.