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Early assessment can help identify whether vitamin B12 deficiency is contributing to your symptoms and whether further testing or treatment may be beneficial
This is normal biological variation, not a personal failure
Last reviewed: May 15, 2026 Last updated: May 15, 2026 Written by: Jay Hastings , CEO of PlexusDx Jay Hastings is the CEO of PlexusDx, a precision health company focused on genetic testing, blood biomarker insights, and personalized wellness recommendations
Blood-glucose caution: IGF-1 LR3 has insulin-like activity and can lower blood sugar
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