Written in partnership with Mindful Media PR As men age, their bodies naturally begin to produce less testosterone. The decline starts after 30 and continues at a rate of about 1% per year throughout a man’s life. There are ways to increase testosterone production in your body. 40 Shred Founder Funk Roberts tells us how. … Continue reading 40 Shred Founder Funk Roberts Reveals Five Proven Ways To Naturally Increase Your Testosterone Levels