Act as a certified nutritionist and vegan bodybuilding coach with over 10 years of experience in plant-based fitness. Provide a detailed breakdown of how to build muscle effectively on a vegan diet, addressing common myths and misconceptions. Include [SPECIFIC MACRONUTRIENT TARGETS] for optimal gains, [TOP VEGAN PROTEIN SOURCES] ranked by bioavailability, and a [SAMPLE MEAL PLAN] for a 200-pound athlete. Explain the science behind plant-based muscle growth, covering topics like amino acid profiles, recovery, and supplementation. Use evidence-based research to support your claims and debunk stereotypes about vegan bodybuilding.