real routines. every habit sourced.
habitualism
Stacy Sims

stacy
sims

Exercise physiologist and nutrition scientist
6 steps · last checked 18 oct 2026

ten quiet minutes first thing, a protein espresso before anything else, movement every day, and rhodiola with L-theanine at night.

from her 2025 interviews with Mel Robbins and AGEIST and a 2024 TrainingBeta podcast. She shares far more research than personal detail, so this one is short. She wrote the books Roar and Next Level.

the stack · at a glance

what stacy uses.

stack as of apr 2025

6 items

supplements6

  • L-theaninebefore bed
    soon
  • Rhodiolabefore bed
    soon
  • Protein powderin her morning espresso
    soon
  • Creatine monohydraterecommends 1.5 g building to 3 g a day
    soon
  • Omega-3recommended, dose not given
    soon
show all 6 supplements
  • Vitamin Drecommended, dose not given
    soon
food · what she has described

what stacy eats.

  1. first thingon waking
    protein espresso

    double espresso poured over almond milk with protein powder, made the night before (2025).

    1·’25
the routine · 6 steps

stacy’s day.

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Sources (5)
  1. The Mel Robbins Podcast, ep. 275 — Dr. Stacy Sims on a body reset for women (Apr 10, 2025; ~20:00 protein coffee)
  2. AGEIST — Stacy Sims, 50: Taking Up Space (May 29, 2025)
  3. TrainingBeta podcast — Dr. Stacy Sims (Oct 1, 2024; ~07:25 rhodiola and L-theanine, ~1:13:30 supplements)
  4. drstacysims.com — about Dr. Stacy Sims
  5. Bicycle Retailer — Osmo Nutrition co-founder Stacy Sims (Sep 14, 2016)

Last checked 18 Oct 2026.

Photo: Dr. Stacy Sims (official site) (drstacysims.com), cropped, colour-adjusted, resized. All image credits.