ProThera Chewable Multi Vitamin
Contains the Active Methylated B vitamins with not too horrible a taste.
Nordic Berries Multivitamin
Kids love these. They are of good quality and taste.
Smarty Pants Multi Vitamin
Contain the active form of B vitamins ( methyl cobalamin rather than cyan cobalamin, etc)
Very sweet gummy, but at least the kids will remind you to give them to them.
Effervescent multivitamin powder, tastes like a healthy version of Tang. Heavily loaded with vitamin C. I like Orange, but there are other flavors available.
KAL Nutritional Yeast Flakes
A superfood which provides a nearly complete set of B Vitamins and amino acids in a highly usable form. Can use as a replacement for parmesan cheese (it has a savory flavor). Also available in tablet form.
Cod Liver and other Fish Oils
I recommend Carlsons, Nordic Naturals, and Barleans varieties for ease of availability, freshness, quality and taste.
Probiotics and Pre Biotics
Klaire Labs is the highest quality I've found. Available through their website. Our physician code is H48.
Jarro-Dophilus (for babies) (for older children/adults) is acceptable as well though it does contain casein.
I recommend either Sambuguard , or other elderberry extract and Esberitox.
Carlsons drops or capsules. Actually, most vitamin D is sourced from the same place and it is hard to mess up, so pick any version you want.