Dr. Stacy Sims on Rhodiola Rosea: Supporting Women’s Stress, Resilience, and Performance
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Stress is not just a lifestyle issue; it is a physiological load that directly impacts performance, recovery, and long-term health. For women, that load is often higher and more complex due to hormonal fluctuations, training demands, and cognitive and emotional stress occurring simultaneously.
Dr. Stacy Sims, an exercise physiologist and nutrition scientist, has spent decades studying how women uniquely respond to stress from training and daily life. Across her research, applied work with athletes, and public education, one theme consistently emerges: women do not adapt to stress the same way men do, and they require more intentional recovery support.
In conversations about managing stress without blunting performance, Dr. Sims often references Rhodiola Rosea, a well-researched adaptogenic herb traditionally used to support endurance, mental stamina, and resilience. This article brings together Dr. Sims’ insights on Rhodiola: what it is, how it works, and how women can use it strategically to support training, cognition, and recovery across different life stages.
What Is Rhodiola Rosea?
Rhodiola Rosea is a flowering herb native to cold, high-altitude regions of Europe and Asia. Historically, it was used in Scandinavian and Eastern European traditions to combat fatigue, improve work capacity, and enhance resistance to physical and mental stress.
Today, Rhodiola is categorized as an adaptogen, a compound that helps the body adapt to stress by supporting balance in key regulatory systems. Unlike stimulants that artificially increase output, adaptogens work by improving efficiency and resilience within the body’s existing stress response.
Dr. Sims often describes Rhodiola as a support tool for stress tolerance, not a replacement for adequate sleep, fueling, or recovery.
How Rhodiola Works in the Body
Rhodiola primarily influences the hypothalamic-pituitary-adrenal (HPA) axis, which governs cortisol release and the body’s response to stress. Research suggests Rhodiola supports the body by:
Helping regulate excessive cortisol output during stress
Supporting mitochondrial energy production
Promoting neurotransmitter balance linked to focus and mood
Reducing perceived fatigue without overstimulation
Dr. Sims emphasizes that these mechanisms are particularly relevant for women, who can often experience higher and more prolonged cortisol responses to both exercise and life stressors.
Rather than encouraging women to push harder, Rhodiola supports more efficient recovery and stress adaptation, both physically and mentally.
Why Stress Management Matters More for Women
One of Dr. Sims’ most consistent messages is that many women are under-recovering, not overtraining.
Women commonly experience overlapping stress inputs, including:
Intense or frequent training sessions
Cognitive and emotional stress
Hormonal fluctuations across the menstrual cycle
Sleep disruption
Inadequate fueling, especially carbohydrates
When cumulative stress exceeds recovery capacity, cortisol remains elevated, which can negatively affect:
Performance adaptations
Muscle repair and strength gains
Sleep quality
Immune function
Mood and motivation
Dr. Sims frequently explains that women do not benefit from simply “pushing through” stress. Supporting the nervous system and recovery pathways is essential and this is where Rhodiola can play a targeted role.
What the Research Says About Rhodiola and Performance
Scientific research aligns with many of the outcomes Dr. Sims highlights when discussing Rhodiola. Studies suggest Rhodiola supplementation may:
Lower perceived exertion during endurance exercise
Improve time to exhaustion in active women
Support cognitive performance under fatigue and stress
Promote mood stability and mental resilience during demanding periods
Importantly, Rhodiola appears most effective when stress load is high, such as during heavy training blocks, travel, sleep disruption, or periods of elevated mental demand.
Dr. Sims frames Rhodiola as a context-dependent tool, not a daily stimulant or shortcut.
Rhodiola During Perimenopause and Menopause
During perimenopause and menopause, declining estrogen alters how women respond to stress. Common changes include:
Increased cortisol sensitivity
Greater fatigue from similar training loads
Reduced stress tolerance
Disrupted sleep and mood regulation
Dr. Sims often notes that midlife women may feel as though they are doing everything “right” yet recovering poorly. In many cases, the underlying issue is stress overload, not lack of effort or consistency.
Rhodiola may support this transition by:
Helping regulate the stress response
Supporting mental clarity and motivation
Reducing feelings of burnout without stimulation
For women navigating hormonal transition, Rhodiola fits within a broader foundation of adequate fueling, strength training, sleep prioritization, and intentional recovery.
How Dr. Sims Thinks About Using Rhodiola
Dr. Sims’ approach to supplementation is evidence-based and pragmatic. She does not recommend chronic or indiscriminate use of adaptogens.
Her guidance typically emphasizes:
Targeted use during high-stress or high-load phases
Avoiding reliance on stimulants to mask fatigue
Pairing adaptogens with sufficient nutrition and recovery practices
Rhodiola is not meant to override the body’s signals; it is meant to help the body respond more efficiently when stress cannot be avoided.
Dr. Stacy Sims × Momentous Rhodiola Rosea
Dr. Sims partners with Momentous because the brand’s formulations reflect her standards for scientific rigor, dosing precision, and product integrity.
Momentous Rhodiola Rosea is designed with these priorities in mind:
Standardized extracts to ensure consistent levels of key active compounds
Clinically informed dosing
Third-party testing for purity and safety
NSF Certified for Sport
