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Nutrition in Focus

Stay informed with the latest in nutritional research, product insights, expert guidance, and health tips from Allergy Research Group. Follow our blog for in-depth articles, cutting-edge science, and practical advice on living your healthiest life.

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  • Beyond the Uterus: Why Progesterone Still Matters After Hysterectomy

    Beyond the Uterus: Why Progesterone Still Matters After Hysterectomy

    • Bone Health
    • Brain Health
    • Cardiovascular Health
    • Cognitive Health
    • Health Education
    • Hormone Health
    • Mood Support
    • Women's Health

    The idea that women without a uterus don’t need progesterone is misleading. While progesterone is no longer required to protect the endometrium after hysterectomy, it still plays important systemic roles throughout the body. Progesterone receptors exist in the brain, bones, breasts, blood vessels, and immune cells, meaning it can influence mood, anxiety, sleep quality, cognition, bone formation, breast comfort, inflammation, and metabolic and cardiovascular function. Data shows the therapeutic use of bioidentical progesterone in the right context, though it is not a cure-all and must be paired with healthy  lifestyle choices. 

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  • Estrogen: No Black Box Warning—Now What?

    Estrogen: No Black Box Warning—Now What?

    • Bone Health
    • Cardiovascular Health
    • Cognitive Health
    • Health Education
    • Hormone Health
    • Mental Health
    • Mood Support
    • Women's Health

    For more than two decades, fear stemming from early, oversimplified interpretations of the Women’s Health Initiative led many women and clinicians to avoid hormone replacement therapy, culminating in a black box warning on estrogen. In 2025, the FDA removed that warning for estrogen-only therapies, reflecting clearer evidence that risks depend heavily on age, timing, hormone type, and route of administration—not the universal danger once assumed. Updated research shows that starting hormone therapy within ten years of menopause, using bioidentical formulations, and choosing non-oral routes can significantly reduce risks, while estrogen-only therapy has not been shown to raise breast cancer risk. The label change does not mean hormone therapy is risk-free, but it does open the door to individualized, evidence-based decision-making. With better data and more nuance, women and clinicians can move forward with informed conversations rather than fear-driven avoidance.

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  • Hypothyroidism and the Cardiovascular Connection

    Hypothyroidism and the Cardiovascular Connection

    • Cardiovascular Health
    • Hypothyroidism
    • Thyroid Health

    While there are some infamous symptoms of hypothyroidism, like cold sensitivity and fatigue, one of the more underappreciated relationships is the role of thyroid hormones in heart function and vascular physiology.

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  • criticality of sleep

    The Criticality of Sleep

    • Cardiovascular Health
    • Cognitive Function
    • Metabolic Health
    • Sleep Quality
    • Sleep Support

    Discover why sleep is essential for health, resilience, and longevity. Learn how quality rest supports the brain, body, and immune system.

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  • health benefits of alpha-lipoic acid (ALA)

    Health Benefits of Alpha-Lipoic Acid (ALA)

    • Cardiovascular Health
    • Metabolic Health

    Learn about the potential health benefits of alpha-lipoic acid (ALA) in relation to metabolic wellness, body composition, and nerve health.*

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  • benefits of olive leaf extract and oleuropein

    The Powerful Benefits of Olive Leaf Extract and Oleuropein

    • Cardiovascular Health
    • Thyroid Health

    Explore the evidenced-based research around the benefits of olive leaf extract and oleuropein, plus the impact on cardiovascular & thyroid health.*

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