Optimal: Understanding testosterone for strength, health and wellnessA myth busting guide on testosterone from leading male health expert Dr Jeff Foster to help men feel stronger, healthier, and get back to their best selves. Testosterone: its a powerhouse hormone that fuels mens energy, focus, mood, and vitality at every age. Yet despite its importance, testosterone is surrounded by confusion, stigma, and half truths. In this accessible, myth busting guide, leading expert in male health Dr Jeff Foster sets the record