An essential nutrient required for the metabolism of lipids, carbohydrates, and proteins Facilitates normal function and growth of red blood cells Needed for the synthesis of the neurotransmitters serotonin Vitamin B-6 is an essential nutrient required for the metabolism of lipids, carbohydrates, and proteins. It facilitates the conversion of amino acids from one to another as needed, and is necessary for normal synthesis of hemoglobin, as well as for the normal function and growth of red blood cells. It is also needed for the synthesis of neurotransmitters and for converting essential fatty acids into prostaglandins (chemical messengers).
An essential nutrient required for the metabolism of lipids, carbohydrates, and proteins Facilitates normal function and growth of red blood cells Needed for the synthesis of the neurotransmitters serotonin Vitamin B-6 is an essential nutrient required for the metabolism of lipids, carbohydrates, and proteins. It facilitates the conversion of amino acids from one to another as needed, and is necessary for normal synthesis of hemoglobin, as well as for the normal function and growth of red blood cells. It is also needed for the synthesis of neurotransmitters and for converting essential fatty acids into prostaglandins (chemical messengers).
in 3 offers
The lowest price for Source Naturals Vitamin D-3 200 Capsules D 2000 / 200 Caps right now is $28.61 at iHerb, compared across 3 retailers.
The all-time low was $10.49 on 5 Dec 2024 — today's price is 173% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 4 Nov 2026.
Source Naturals Vitamin D-3 200 Capsules D 2000 / 200 Caps
An essential nutrient required for the metabolism of lipids, carbohydrates, and proteins Facilitates normal function and growth of red blood cells Needed for the synthesis of the neurotransmitters serotonin Vitamin B-6 is an essential nutrient required for the metabolism of lipids, carbohydrates, and proteins. It facilitates the conversion of amino acids from one to another as needed, and is necessary for normal synthesis of hemoglobin, as well as for the normal function and growth of red blood cells. It is also needed for the synthesis of neurotransmitters and for converting essential fatty acids into prostaglandins (chemical messengers).
An essential nutrient required for the metabolism of lipids, carbohydrates, and proteins Facilitates normal function and growth of red blood cells Needed for the synthesis of the neurotransmitters serotonin Vitamin B-6 is an essential nutrient required for the metabolism of lipids, carbohydrates, and proteins. It facilitates the conversion of amino acids from one to another as needed, and is necessary for normal synthesis of hemoglobin, as well as for the normal function and growth of red blood cells. It is also needed for the synthesis of neurotransmitters and for converting essential fatty acids into prostaglandins (chemical messengers).
Last updated at 04/11/2026 07:13:42
Source Naturals, Vitamin D-3, 50 mcg (2,000 IU), 200 Capsules
Delivery $40
Source Naturals Vitamin D3 2000IU - 200 Capsules
Delivery between 10–13 Nov $50.12
Source Naturals Vitamin D3 Cholecalciferol - 2,000 IU, 200 Capsules
Delivery $14.95
| Supplement Type | Vitamin |
| Target Concern | Immune Health |
| Benefit | Immune support, Bone health |
| Body Part Use | Bone |
| Dosage | 1 softgel daily |
Source Naturals, Vitamin D-3, 50 mcg (2,000 IU), 200 Capsules
Delivery $40
Source Naturals Vitamin D3 2000IU - 200 Capsules
Delivery between 10–13 Nov $50.12
Source Naturals Vitamin D3 Cholecalciferol - 2,000 IU, 200 Capsules
Delivery $14.95
| Supplement Type | Vitamin |
| Target Concern | Immune Health |
| Benefit | Immune support, Bone health |
| Body Part Use | Bone |
| Dosage | 1 softgel daily |
