Conclusion

It is a fact that animals internally produce all vitamins that are not (sufficiently) present in their natural food. Logically, vitamins that humans cannot (sufficiently) produce are abundantly present in natural foods for humans, such as fruits and raw animal food. Fruits and raw animal food (like sashimi and raw egg yolk) combined contain all vitamins, minerals, trace elements, protein, sugars, fats and cholesterol that we need.
Of course supplement manufacturers want us to believe that we need their supplements to obtain all required vitamins, but except for the extremely wrong calcium recommendations, one will even meet official (but false) nutrient recommendations.

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