From the Doctor's Best Website on the FAQs Tab: http://www.drbvitamins.com/products/vitamin-d3-1000iu/drb-00209#sthash.dmaNlz34.dpbs"Doctor's Best products are quality tested and manufactured in the United States using highly qualified cGMP manufacturers and raw material ingredients. DoctorÃÂ¢ÃÂÃÂs Best sources raw materials from around the world and ingredients are subject to the intense testing and verification regardless of geography of origin. - See more at: http://www.drbvitamins.com/products/vitamin-d3-1000iu/drb-00209#sthash.dmaNlz34.dpuf"

What is the source of your Vit. D? Is it synthetic, made from sheep wool, plant-derived, etc.?

According to the label, this product is derived from lanolin, a component of sheep's wool. It also has extra virgin olive oil, softgel capsule made of gelatin, glycerin, purified water.

ASIN	B0050MYHBQ
Age Range Description	Adult
Allergen Information	Gluten Free, Soy Free
Best Sellers Rank	#23,927 in Health ( See Top 100 in Health ) #188 in Vitamin D Supplements
Brand	Doctor's Best
Brand Name	Doctor's Best
Color	Brown
Container Type	Bottle
Customer Reviews	4.8 out of 5 stars 17,804 Reviews
Diet Type	Gluten Free
Diet type	Gluten Free
Dosage Form	Softgel
Flavor	Unflavored
Flavour	Unflavored
Global Trade Identification Number	00753950002500
Item Dimensions	5.6 x 5.6 x 10.8 centimeters
Item Form	Softgel
Item Weight	109 g
Item form	Softgel
Manufacturer	DOCTORS BEST
Model Name	Vitamin D3 5000IU
Number of Items	1
Primary Supplement Type	Vitamin D3
Primary supplement type	Vitamin D3
Product Benefits	bone_health_support, energy_management
Product benefits	bone_health_support, energy_management
Special Ingredients	Gluten Free
Specific Uses For Product	Heart, Helps regulate calcium and phosphorus levels needed for healthy bones and teeth*, Supports Immune Health
UPC	632687759690 753950002500
Unit Count	360 Count

Doctors Best Best D3 5000Iu, 360 CT

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