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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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  • Hypothyroidism and Depression: Why They’re So Often Confused

    Hypothyroidism and Depression: Why They’re So Often Confused

    • Brain Health
    • Cognitive Health
    • Health Education
    • Hormone Health
    • Hypothyroidism
    • Thyroid Health

    The overlap between hypothyroidism and depression is not a coincidence. It reflects shared physiology, shared neuroendocrine pathways, and a long history of clinical observation that continues to be supported by modern research. Understanding this overlap requires moving beyond symptom checklists and into the biology of how thyroid hormones interact with the brain.

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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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  • spearmint benefits

    Spearmint Benefits: What Every Clinician Should Know

    • Cognitive Health
    • Hormonal Health
    • Sleep Support

    Explore key insights on spearmint benefits including support for cognitive health, antioxidant activity, hormonal balance, and physical performance.*

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  • MTHFR Gene Mutation C677T

    Understanding the “MTHFR Gene Mutation C677T”: How It Affects You and How L-Methylfolate Can Help

    • Cognitive Function
    • Cognitive Health
    • Mental Health

    If you’ve recently learned that you have the MTHFR gene mutation C677T, you might feel confused or unsure about what this means for your health. This article will break it down in simple terms, explaining why folate metabolism matters, what challenges this mutation presents, and how MethylPro®'s L-methylfolate supplements can support your health. 

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  • Iodine Intake Trends in U.S. Girls and Women

    Iodine Intake Trends in U.S. Girls and Women

    • Cognitive Health
    • Reproductive Health
    • Women's Health

    Discover the importance of iodine and its critical role in thyroid health, metabolism, and development. Explore trends in iodine intake among U.S. girls and women from 2011-2020, uncover the causes of fluctuations, and learn actionable steps to ensure optimal iodine levels for long-term health and wellbeing.

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