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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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  • The Perimenopause Puzzle: Why This Transition Can Be the Trickiest Time for Hormones

    The Perimenopause Puzzle: Why This Transition Can Be the Trickiest Time for Hormones

    • Health Education
    • Hormonal Health
    • Hormone Health
    • Women's Health

    Perimenopause is a highly variable, hormonally dynamic transition leading up to menopause. Symptoms often shift month to month as progesterone declines and estrogen fluctuates unpredictably—making lab tests alone unreliable. Here we discuss how to recognize when a woman has entered the perimenopause or menopause stage of life, and then how to help alleviate their symptoms. 

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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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  • Fighting Free Radicals with Antioxidants

    Fighting Free Radicals with Antioxidants

    • Antioxidant Support
    • Dietary Interventions
    • Functional Nutrition
    • Health and Nutrition
    • Health Education
    • Metabolic Health
    • Nutritional Health

    Free radicals are natural byproducts of metabolism, but when unchecked, they can speed up aging and impact health. Antioxidants help neutralize these free radical threats and help maintain cellular balance.

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  • The Hidden Risks of Unmetabolized Folic Acid (UMFA)

    The Hidden Risks of Unmetabolized Folic Acid (UMFA)

    • Brain Health
    • Cognitive Function
    • Digestive Health
    • Gut Health
    • Health Education
    • Immune Function
    • Metabolic Health
    • Nutritional Health

    This is a discussion about how unmetabolized folic acid accumulates in the body, and the clinically documented risks associated with unmetabolized folic acid. 

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  • Who Could Benefit from an L-Methylfolate Supplement?

    Who Could Benefit from an L-Methylfolate Supplement?

    • Functional Nutrition
    • Health Education
    • Metabolic Health
    • Nutritional Supplements

    In this article, we’ll explore the symptoms of a low folate status, the reasons you might be folate insufficient, and how a folate supplement can improve your overall well-being. 

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