While zinc and
vitamin B complex can be found widely through natural sources,
vitamin D might be a little tricky. Hence, one can take a supplement for vit D ONLY after assessing the serum levels. As far as whey proteins are considered, they are usually the first choice. However, a protein supplement would only work if your workout is of the sorts. Else, it will be a waste to take it and can alos pose health risk.
Next Steps
Get in touch for more information.
Health Tips
Just eat a balanced diet and exercise.