Global collagen supplement market size was valued at $1,827.6 million in 2019, and is projected to reach $3,017.6 million by 2027, registering a CAGR of 6.9%. North America was the highest revenue contributor, accounting for the highest market share in 2019, and is estimated to grow at a CAGR of 7.1%. The U.S. was the leading country …