Thoughts–physique interventions, akin to mindfulness-based stress discount (MBSR), could enhance well-being by rising consciousness and regulation of physiological and cognitive states. Nonetheless, it’s unclear how apply could alter long-term, baseline physiological processes, and whether or not these modifications replicate improved well-being. Utilizing respiration fee (RR), which may be delicate to results of meditation, and three facets of self-reported well-being (psychological well-being [PWB], misery, and medical signs), we examined pre-registered hypotheses that: (1) Decrease baseline RR (in a resting, non-meditative state) could be a physiological marker related to well-being, (2) MBSR would lower RR, and (3) Coaching-related decreases in RR could be related to improved well-being. We recruited 245 adults (age vary = 18–65, M = 42.4): skilled meditators (n = 42), and meditation-naïve members randomized to MBSR (n = 72), energetic management (n = 41), or waitlist management (n = 66). Knowledge have been collected at pre-randomization, post-intervention (or ready), and long-term follow-up. Decrease baseline RR was related to decrease psychological misery amongst long-term meditators (p* = 0.03, b = 0.02, 95% CI [0.01, 0.03]), although not in non-meditators previous to coaching. MBSR decreased RR in comparison with waitlist (p = 0.02, Cohen’s d = − 0.41, 95% CI [− 0.78, − 0.06]), however not the energetic management. Decreased RR associated to decreased medical signs throughout all members (p* = 0.02, b = 0.57, 95% CI [0.15, 0.98]). Publish-training, decrease RR was related to increased PWB throughout coaching teams in comparison with waitlist (p* = 0.01, b = 0.06, 95% CI [0.02, 0.10]), although there have been no important variations in change in PWB between teams. This physiological marker could point out increased bodily and/or psychological well-being in those that interact in wellness practices.