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Your body has a primary defense system for this: glutathione

In my practice in Southern California, 80% of people who walk through the door are vitamin D deficient

When compared to non-supplemented birds, 0.6% algae significantly increased egg mass and production as well as egg yolk colour in laying chickens between 26 and 37 weeks of age (29)

Injectable provides more consistent blood levels and requires lower doses because it bypasses digestion

doi: 10.1038/srep41063 154 GonzalezASalillasSVelazquez-CampoyAEspinosa AngaricaVFillatMFSanchoJet al

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