Reduce body fat through a calorie-controlled diet
Build muscle with regular resistance training
Train with moderate to high repetitions
Use short rest periods between sets
Stay hydrated
Increase carbohydrate intake around workouts if needed
Keep sodium intake consistent
Avoid excessive body fat gain
Improve overall cardiovascular fitness
Warm up before exercise to increase blood flow
Use temporary vasodilation methods like a workout pump
Maintain adequate sleep and recovery
Avoid dehydration methods that are unsafe
Consider genetics, since vein visibility varies naturally