Outliving Expectations: A Personal Journey to Biological Youth
At 51, Jason Wachob, Founder and Co-CEO of mindbodygreen, has achieved a remarkable feat: a biological age of 37.9, according to his WHOOP data. This isn’t just an impressive statistic; it’s a profound personal victory. For Wachob, it means outliving his father, who passed from heart disease at 47, and his grandfathers, who succumbed to cancer at 44 and heart disease at 49. This milestone, while tinged with grief, is a powerful testament to his belief that ‘our genes are not our destiny.’
This isn’t a story of groundbreaking research or a new scientific discovery, but rather a deeply personal N-of-1 experiment—Wachob’s own data, his own journey, and most importantly, his compelling ‘why.’
The Metrics of Rejuvenation: Data That Speaks Volumes
At an age when many might expect a decline, Wachob is experiencing the best health metrics of his life. His VO2 max soared from 45 in July 2024 to 52 by October 2025. His resting heart rate plummeted to a low of 35, averaging 40 annually (a significant drop from 47 in 2020). Heart rate variability (HRV) hit an all-time high of 178, with a yearly average of 124 (up from 82 in 2020), and his body fat remains just under 10 percent.
Crucially, these achievements are not the result of testosterone therapy or GLP-1s. They are purely a product of dedicated lifestyle choices. Wachob, a busy CEO, husband, and father to two young, athletic daughters, maintains this regimen without extreme measures or exorbitant financial investment, working out five to six days a week for no more than an hour per session.
A Father’s ‘Why’: Fueling the Pursuit of Longevity
The driving force behind Wachob’s commitment is his two energetic daughters. He envisions himself as the dad sprinting alongside them, not lagging behind. He wants to actively participate in their lives, training and playing with them, rather than watching from the sidelines. Beyond that, he aspires to be a strong, capable father who can keep pace with thirty-year-olds in the gym, defying the stereotype of the ‘older dad.’
This powerful ‘why’ underpins every decision, from his rigorous rowing sessions and early dinners to cold plunges and meticulous dietary choices.
The Workout Blueprint: Consistency and Smart Training
Rowing: The Cardio Cornerstone
Rowing forms the bedrock of Wachob’s cardio routine, directly contributing to his dramatic metric improvements. His weekly goals are straightforward: over 25 minutes in heart rate zones 4 or 5, and more than 6 hours in zones 1 to 3, primarily achieved through walking (targeting 12,000 steps daily).
Instead of a single grueling weekly session, he divides his rowing into three to five shorter workouts. Some are intense (zones 4-5), while most are sustainable zone 2-3 efforts with strategic bursts. This ‘feel-based’ approach allows him to adjust intensity based on sleep quality and recovery scores, prioritizing consistency above all else. Rowing offers a full-body, low-impact workout that can be tailored to his body’s needs.
Strength Training: Hard, Smart, and Efficient
For strength, Wachob lifts two to three times a week for 45 to 55 minutes. His approach is ‘hard, but smart,’ minimizing free weights to protect his joints, resting 30 to 45 seconds between sets, and eliminating wasted movement. This minimalist yet effective strategy has resulted in his best-ever muscle mass and strength.
Diet Reimagined: Personalized Nutrition Through Advanced Testing
Wachob champions the power of testing, particularly Boston Heart Labs, which provides insights into cholesterol absorption beyond mere levels. He discovered he is an ‘ultra-absorber’ of plant sterols like beta-sitosterol and campesterol, meaning common ‘healthy fats’ such as avocados, nuts, seeds, and vegetable oils can elevate his lipids more than they would for others. Conversely, his body thrives on bison and fish.
His first significant N-of-1 experiment in early 2024 saw his ApoB spike to 110. Following Boston Heart results, he eliminated coconut milk and high-fat dairy from his smoothie, switching to A2 low-fat milk. In just eight weeks, his ApoB plummeted from 110 to 71. Concurrently, his HRV surged from 68 to 115, and his resting heart rate dropped from 54 to 49.
Today, his diet revolves around salmon, sardines, tuna, bison, lean chicken, and sourdough for carbohydrates. Each meal is designed to deliver 30 grams of protein and at least 2.5 grams of leucine to optimize muscle protein synthesis. His mornings commence with five cups of clean coffee+, followed by a nutrient-dense smoothie featuring grass-fed whey protein isolate+, organic fiber potency+, beauty & gut collagen+, A2 low-fat milk, a quarter avocado, arugula or broccoli sprouts, and frozen berries. Post-workout, he utilizes essential amino acids…
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