Top 10 Vitamin D Supplements: Boost Immunity!

SUMMARY

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  • Vitamin D vital for bone health, calcium absorption, immune function.
  • D3 form, dosage, source (lichen/algae for vegans), third-party testing key.
  • Supplements: softgels (5000 IU), liquid (2000 IU/drop), chewables (1000 IU).
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