Almond Protein Study Improves Post-Menopausal Health

Almond Protein and Exercise: A 12-Week Study Targets Key Health Threats in Post-Menopausal Women

Researchers at Deakin University in Australia are launching a clinical trial to test if a food industry by-product can amplify the benefits of high-intensity interval training (HIIT) and resistance exercise. The 12-week study will investigate whether daily supplementation with defatted almond protein powder (APP) improves lean muscle mass, cardiovascular fitness, and metabolic markers in overweight, post-menopausal women—a group at heightened risk for sarcopenia and cardiometabolic disease. This work aims to provide a practical nutritional strategy to support intense exercise adaptations.

Why HIIT and Protein Are Critical for Post-Menopausal Health

The hormonal shifts of menopause create a perfect storm for health decline. Declining estrogen levels directly contribute to a loss of lean muscle mass (sarcopenia) and a tendency to gain visceral fat. This dual change worsens metabolic health, increasing risks for type 2 diabetes and heart disease. The Deakin University team, led by Tran V and Zoya Huschtscha, notes that structured exercise is a powerful countermeasure. HIIT is exceptionally effective for improving cardiovascular fitness (VO₂peak) and metabolic health quickly, while resistance training is essential for building and preserving muscle.

However, exercise alone may not be enough if nutritional support is lacking. “Adequate protein and fibre intake [is] essential to support favourable adaptations,” the researchers state. Muscle protein synthesis—the process of repairing and building new muscle tissue after exercise—requires sufficient protein. Many women, particularly at breakfast, consume less than the recommended amounts. This gap may limit their results from demanding training programs, slowing improvements in strength and body composition.

Testing a Sustainable Supplement to Close the Nutritional Gap

This trial is designed to see if a specific supplement can close that gap. Defatted almond protein powder is a by-product created during almond oil production. It is rich in both protein and fibre, making it a candidate for supporting exercise recovery and gut health. For 10 weeks, 48 participants will undergo supervised, combined resistance and HIIT sessions. Half will receive daily APP, while the other half gets an energy-matched placebo of maltodextrin. Crucially, neither the participants nor the researchers administering the tests will know who is receiving which supplement—a double-blind, placebo-controlled design that minimizes bias.

The team will measure comprehensive outcomes. The primary goal is to see changes in total and regional lean mass, assessed via DXA scans. Secondary outcomes cast a wide net: strength tests, body fat percentage, blood lipids, glucose, insulin, and cardiovascular fitness (VO₂peak). By measuring VO₂peak, the study directly connects the intervention to one of the most powerful predictors of longevity and metabolic health. The research protocol acknowledges a key limitation: the findings will be specific to post-menopausal women with overweight or obesity, and may not apply to other populations.

The Integrated Approach: Exercise and Nutrition for Systemic Health

The rationale for combining HIIT, resistance training, and targeted nutrition is rooted in physiology. HIIT stresses the cardiovascular system, improving the heart’s efficiency and the muscles’ ability to use oxygen. This adaptation, reflected in a higher VO₂peak, has cascading benefits for metabolic regulation and cellular housekeeping processes. Resistance training provides the mechanical stimulus for muscle growth. Protein supplementation, particularly around workouts, supplies the amino acid building blocks needed to act on that stimulus.

Defatted almond protein powder may offer a synergistic advantage. Its fibre content can improve gut health and satiety, potentially supporting better appetite control and dietary adherence. For an ageing population where preserving muscle function is vital for independence, this integrated strategy addresses multiple facets of health decline simultaneously. The study will also track supplement acceptability, a practical factor that determines whether a strategy can work in real life, not just in a lab.

Practical Applications for Training and Long-Term Fitness

For coaches and individuals focused on metabolic fitness and endurance, this ongoing study highlights several actionable principles. First, it reinforces the potency of combining strength and high-intensity interval training for comprehensive health, especially in ageing adults. Second, it underscores the importance of matching rigorous training with adequate daily protein intake, a factor easily overlooked. While the specific APP supplement is not yet commercially widespread, the concept of using a high-protein, high-fibre powder to support training adaptations is sound.

Individuals, particularly women in post-menopause, should consider their total protein distribution across the day, with emphasis on the post-exercise period. While awaiting the trial’s results, one can adopt its framework: a consistent regimen of resistance and HIIT exercise, paired with deliberate nutrition that supports muscle repair and metabolic health. For those designing programs, the study’s structured, supervised 10-week intervention mirrors an effective training block that could be adapted for general use, with a focus on progressive overload and proper recovery, as detailed in resources on structured training and recovery.

The Deakin University trial represents a targeted investigation into solving a clear problem. By late 2026, its results will show whether a specific, sustainable nutritional product can meaningfully enhance how the bodies of post-menopausal women respond to demanding exercise. Regardless of the supplement’s outcome, the study design itself validates a multi-pronged approach to combating age-related decline.

Sources:
https://pubmed.ncbi.nlm.nih.gov/42163334/
https://pubmed.ncbi.nlm.nih.gov/42162196/
https://pubmed.ncbi.nlm.nih.gov/42161478/