Massage Therapy and Oxidative Stress

Oxygen is essential for human metabolism, but it also has a “double edge.” When oxygen participates in chemical reactions inside the body, it can produce reactive oxygen species (ROS)—highly reactive molecules that include free radicals such as superoxide, hydroxyl radicals, hydrogen peroxide, and ozone. In normal amounts, ROS help regulate cell signaling, immune function, hormone release, and even muscle contraction and tone. However, when ROS production becomes excessive and the body’s antioxidant defenses cannot keep up, oxidative stress develops. This state contributes to inflammation, tissue damage, and a wide range of chronic diseases.

The human body has an extensive antioxidant defense system—including enzymes like superoxide dismutase (SOD-1), glutathione peroxidase (GPx), and catalase, as well as nutrients like glutathione, vitamins C and E, and proteins such as ceruloplasmin and transferrin. These systems neutralize ROS and help maintain metabolic balance. But lifestyle factors (poor diet, smoking, alcohol, environmental pollutants), medications, infections, and stress all increase ROS production and weaken antioxidant capacity.

Physical activity is known to influence oxidative stress, and massage is widely used as a natural, non-pharmacological therapy within health promotion. Classical (Swedish) massage—consisting of effleurage, friction, petrissage, tapotement, rolling, shaking, and vibration—acts locally on tissues and globally through the nervous system. Massage can shift the body into a parasympathetic, “rest-and-recover” state, lowering cortisol, improving mood, and stimulating immune markers such as NK cells and CD4 counts. This broad systemic response raises the question: Can massage influence oxidative stress and antioxidant activity?

Surprisingly, research on this topic is scarce. Most studies examine oxidative stress in athletes or combine massage with exercise. Few look at massage alone.

To investigate this gap, researchers conducted a controlled study on 29 healthy young adults who received a single 30-minute classical massage of the back. Blood samples were taken before and 30 minutes after treatment. Several oxidative stress markers were measured, including glutathione (GSH), malondialdehyde (MDA), glutathione peroxidase (GPx), superoxide dismutase (SOD-1), glutathione S-transferase (GST), ceruloplasmin (CP), and nitric oxide metabolites (NO₂⁻/NO₃⁻).

What the study found

A single therapeutic massage session produced measurable biochemical effects:

• Antioxidant enzymes increased:
  • Plasma GPx rose by 16%
  • SOD-1 rose by 7%
  These enzymes are key ROS-neutralizing defenses, suggesting massage may briefly boost the body’s antioxidant response.
• Markers of oxidative damage decreased:
  • MDA (a marker of lipid peroxidation and oxidative injury) decreased by 13%
  • GPx in red blood cells also decreased, possibly reflecting redistribution or acute adaptation
• No changes were observed in glutathione (GSH), nitric oxide metabolites, ceruloplasmin, GST, or hematocrit.

These results suggest that even one session of classical massage can acutely influence oxidative balance—specifically by enhancing antioxidant activity and reducing lipid peroxidation, similar to some effects seen after physical exercise.

Why might massage influence oxidative stress?

Massage creates mechanical stimulation of soft tissues, which may produce micro-level stress or microtrauma, triggering an adaptive antioxidant response similar to exercise. Mechanical pressure can activate immune cells, increase cytokine signaling, and briefly elevate ROS production—but in a controlled, beneficial way that leads to improved antioxidant defenses.

Additionally, massage induces a parasympathetic shift via vagal activation, reducing cortisol and improving metabolic regulation. Lower stress hormone levels can indirectly support antioxidant pathways and reduce ROS production.

How do these findings fit into existing evidence?

Previous studies combining exercise and massage have shown increases in SOD activity. Research in health-promotion programs (e.g., massage with cupping or vibration) also reports improvements in oxidative stress in pre-obese individuals. However, these studies included multiple interventions, making it difficult to isolate the effect of massage alone. The current study provides the first evidence examining massage as a standalone stimulus on oxidative stress.

Clinical relevance for therapists

This preliminary study suggests that classical massage may have acute, beneficial effects on oxidative balance, contributing to:

• reduced oxidative damage
• improved antioxidant activity
• support for tissue recovery
• potential long-term protective effects when used regularly

These biochemical responses align with clinical observations: clients often report feeling calmer, more energized, and less inflamed after massage.