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View this orderFlash Deals are limited time, limited quantity promotions, so act fast! Limited to: 1 unit of 1 flash deal product per order. If you order more than one unit or re-order or order other flash deals, you will pay our regular low price. Flash Deals are ineligible from all other promotions.
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View this orderThe length of time for the expiration date or "best used before" date depends on the type of product, as well as the brand.
Perishable items (such as flax oils or certain probiotics) generally have shorter expiration dates. Although our warehouse is fully air-conditioned, these more fragile items are put in cold storage (freezer or refrigeration unit) for maximum freshness.
Our receiving department does its best to verify and then enter the correct expiration dates for all incoming products. However, discrepancies do occur from time to time. This being said, the exceptionally high turnover at iHerb ensures that our inventory is among the freshest in the industry.
Doctor's Best fully active complex contains all eight important B vitamins, a fully spectrum designed for optimal absorption and utilization to support overall health and well-being. Water soluble B vitamins play important roles in cell metabolism, supporting DNA, organs, genes, cells, tissues, skin health, immune system, enzyme functions and energy production.
Quatrefolic is the glucosamine salt of (65)-5-methyltetrahydrofolate, the most bioavailable form of folate, that provides greater stability and water solubility. Folate is an essential vitamin to support DNA, Proper cell division, cardiovascular, mental and emotional well-being.
Take 1 capsule daily, with food, or as recommended by a nutritionally-informed physician.
Modified cellulose (vegetarian capsule), micro crystalline cellulose, magnesium stearate (vegetable source), silicon dioxide.
Store in a cool dry place.
While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
| Supplement Facts | ||
| Serving Size: 1 veggie capsule | ||
| Serving Per Container: 30 | ||
| Amount Per Serving | %Daily Value | |
| Vitamin C (as ascorbic acid) | 40 mg | 45% |
| Vitamin B1 (from thiamin HCI) | 60 mg | 5000% |
| Vitamin B2 (from riboflavin and riboflavin-5-phosphate) | 75 mg | 5770% |
| Vitamin B3 (as niacin and niacinamide) | 50 mg | 310% |
| Vitamin B6 (from pyridoxine HCI and pyridoxal-5-phosphate) | 50 mg | 2940% |
| Folate (from Quatrefolic, (6S)-5-methyltetrahydrofolic acid, glucosamine salt) | 400 mcg DFE** | 100% |
| Vitamin B12 (as methylcobalamin) | 1000 mcg | 41670% |
| Biotin | 600 mcg | 2000% |
| Pantothenic acid (as d-calcium pantothenate) | 100 mg | 2000% |
| **DFE = Dietary Folate Equivalent | ||
