The questionnaire helps to identify a possible deficiency of vitamin A.
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Looking for a source of nutrients? Check out iHerb:
Vitamin A: NOW Foods, Vitamin A, 10,000 IU, 100 Softgels
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≈ $4.88
Vitamin A: The Vitamin Shoppe, Dry A, 3,000 mcg (10,000 IU), 100 Capsules
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≈ $7.19



