Ashwagandha and Oxygen Capacity: What Research Shows for Healthy Aging
Can a simple herb help you stay active as you age? A study in the journal Nutrients looked at Ashwagandha. Doctors wanted to see if this root extract improves how well your body uses oxygen when moving. This measure is called VO₂max. While young athletes track this number, it matters just as much for staying strong in senior years.
The review showed that people taking Ashwagandha saw small, steady gains in oxygen use. Most trial participants were younger, but the results offer good news: daily oxygen capacity can improve with simple habits.
What the Review Looked At
Doctors reviewed trials testing Ashwagandha in adults. Researchers measured oxygen use before and after people took the herb. Across the tests, participants taking the root extract showed small gains in oxygen capacity.
The gains were modest, but they matter. Using oxygen well helps you walk further, carry groceries, and stay independent as you age.
Why Oxygen Use Matters for Longevity
Oxygen capacity shows how well your heart, lungs, and muscles work as a team. Higher levels are linked to:
- A stronger heart and lungs
- More daily physical energy
- Lower risk of physical disability
- A longer, active life
Small gains lead to easier daily walks, steady balance, and more energy throughout the day.
What This Means for Older Adults
Since these tests focused mostly on younger adults, we cannot assume older adults will see identical results. But the main takeaway is clear: your aerobic power is not set in stone. You can build it up with daily habits.
The single best way for older adults to build oxygen power is gentle, daily movement. Brisk walking, riding a stationary bike, or light yard work all help. Ashwagandha can offer extra support, but regular movement remains the main driver.
Key Takeaway
This study review shows that Ashwagandha offers small boosts in oxygen power, which supports daily vitality. While we need more senior trials, the lesson is simple: keeping your heart and lungs active through daily movement is one of the best ways to age with strength.
The Two Sides of Ashwagandha
In this video, Dr. Eric Berg DC gives an overview of Ashwagandha. He explains its long use for stress relief, along with clear guidance on safe dosing and potential side effects from taking high amounts for too long.
- Benefits: Ashwagandha helps lower stress hormones, reduce worry, and support restful sleep [00:00:28].
- Blood Sugar Support: It helps lower blood sugar and aids insulin function, supporting metabolic health [00:00:49].
- High Doses: Taking large amounts (1,000 mg or more) for months can leave you feeling flat or emotionally numb [00:01:48].
- Health Cautions: Avoid this herb if you have an overactive thyroid or very low blood pressure [00:01:04].
- Best Routine: Dr. Berg suggests taking 600 mg daily for two months, then taking a break before starting again [00:03:05].
Note: Ashwagandha creates a tiny bit of mild stress that signals your body to adapt and grow stronger [00:02:41].
Reference
Effects of Ashwagandha (Withania somnifera) on VO₂max: A Systematic Review and Meta-Analysis.
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