Biochemistry topic is most controversial, How to study Biochemistry?

Bio chemistry may seem to be controversial but it is not the same as we think the more dedicated we are the more easy it would be. for easier understanding write your own notes and draw the complex metabolic cycles in an attractive way. Refer books that have colourful diagrams and flow charts that will make you more attentive while learning. Ask a lot of questions to yourself for each and every topic you read.
Use only books of standard authors.
Be curious and love bio chemistry.