Origins of Essential Vitamins
Test your knowledge about the discovery and natural sources of vitamins B complex, A, D, and C
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Test your knowledge about the discovery and natural sources of vitamins B complex, A, D, and C
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Vitamin A
Vitamin B1 (Thiamine)
Vitamin C
Vitamin D
Vitamin C
Vitamin B12
Vitamin D
Vitamin A
Cancer research
Scurvy in sailors
Bone disorders
Heart disease
Through studying rickets
Through diabetes research
Through heart studies
Through cancer studies
Vitamin C complex
Vitamin B complex
Vitamin A complex
Vitamin D complex
Vitamin A
Vitamin B1
Vitamin C
Vitamin D
Study of desert tribes
Study of mountain communities
Study of pellagra in corn-based diets
Study of arctic populations
Vitamin C
Vitamin A
Vitamin B6
Vitamin D
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