Vitamin D3 - which brand? (related to article, "That Vitamin D You're Taking? It May Not Be What It Appears" 02.11.13))

I just found out about Rhonda and have listened to the Ferris and Rogan interviews and I’m curious about whether the brand of D3 matters.

I just went to the store and bought Vitamin Code’s Raw D3. It’s significantly more expensive per IU of D3, but includes an enzyme, peptide, probiotic complex that is supposed to aid bioavailability. Is this BS? Does my body care if I’m using the much cheaper Source Naturals liquid D3?

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Thanks :)

Links to the brands - Raw D3 http://www.thevitamincode.com/Formulas/TargetedNutrientFormulas/RawD3/tabid/1897/Default.aspx

Source Naturals - http://www.sourcenaturals.com/products/GP1788/