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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 Fast Acting Arginine Complex with Nitrosigine®️ uses a patented bonded form of arginine silicate, clinically shown to significantly boost nitric oxide (NO) levels. NO is a key factor in increasing blood flow to working muscles. Engineered to take effect within 15 minutes, it delivers benefits through your entire workout for up to 6 hours - with a single dose! Continued use builds NO levels, which can boost flow and vessel flexibility.
Adult Use: Take 2 tablets daily, preferably without food, or as recommended by a nutritionally-informed physician.
Microcrystalline cellulose, dicalcium phosphate, croscarmellose sodium, stearic acid (vegetable source), hydroxypropyl cellulose, magnesium stearate (vegetable source), clear coating (hypromellose, glycerine).
Not intended for individuals under the age of 18. Consult your physician if pregnant, nursing, have a medical condition, taking nitrates, warfarin, sildenafil (Viagra), medications for hypertension, diabetes, or other supplement that may lower blood pressure while taking in concomitant with this product. Keep out of reach of children.
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: 2 Tablets | ||
| Servings Per Container: 30 | ||
| Amount Per Serving | % Daily Value | |
| Calcium (from dicalcium phosphate) | 93 mg | 7% |
| Potassium (from Arginine Silicate Inositol (Nitrosigine®️) | 60 mg | <2% |
| Arginine Silicate Inositol (Nitrosigine®️) | 1500 mg | † |
| † Daily Value not established. | ||
