AI overview
AI generated. Not medical advice.What it's for
Circulatory support; Exercise performance support; Cardiovascular health
Who it may fit
Adults with active lifestyles seeking workout support or individuals interested in circulatory wellness support.
Key actives per serving
- Inositol-stabilized Arginine Silicate (Nitrosigine): 1,500 mg
- Calcium: 93 mg (7% DV)
How to take
Adults take 2 tablets once daily, preferably without food; if sensitive, consider taking at a different time from other pre-workout stimulants and stay hydrated.
Diet / Allergen fit
Vegan; Non-GMO; Gluten Free; Soy Free
Ingredients explained
Inositol-stabilized Arginine Silicate (Nitrosigine)
Provides arginine for nitric oxide production and supplies silicon that may support vascular function, together helping blood vessels relax and promote healthy circulation.
Caution: May lower blood pressure or enhance the effects of blood pressure products; monitor how you feel and avoid combining with similar supplements without guidance.
Calcium
Serves as an essential mineral for muscle contraction and vascular signaling involved in normal circulation.
Caution: Total daily calcium from all sources matters; excessive intake may cause digestive discomfort in some people.
How they work together
Arginine from Nitrosigine supports nitric oxide formation for vessel relaxation, while the stabilized complex includes silicon that may help maintain vascular integrity. Calcium participates in normal muscle and vascular signaling, complementing circulatory function.
Safety and tips
Label Warning: Consult a physician before use if you are pregnant, nursing, have a medical condition, are taking prescription medications, or are using other supplements that may lower blood pressure while taking this product. Not for individuals under 18 years of age.
Who should be cautious: People with low blood pressure, cardiovascular concerns, or those taking blood pressure medications may need extra caution due to potential blood pressure effects from arginine-containing products. If you take calcium-sensitive medications (such as certain antibiotics or thyroid medications), consider spacing doses due to the calcium content. Consult a healthcare provider before combining with medications that may cause interaction.
Storage: Store in a cool, dry place.
What customers say
Fast-acting workout support
Many report noticeable pumps and stamina within about 15 minutes that can last several hours without jittery effects.
Perceived energy and circulation boost
Users mention increased energy, better vascularity, and supportive effects for blood flow during exercise.
May influence blood pressure sensations
A few reviews mention changes related to blood pressure; experiences vary by individual.
Product rankings:
iHerb Quality Promise
This product is guaranteed authentic and backed by our easy returns & refunds policy. Details
L-Citrulline may enhance L-Arginine's effects by supporting nitric oxide production, potentially improving blood flow and exercise performance.
AI generated. Not medical advice.
Overview
- Science-Based Nutrition™
- Supports Cardiovascular Health
- Nitrosigine®
- Dietary Supplement
- Vegan
- Non-GMO/Gluten Free/Soy Free
At Doctor's Best, we are on a mission to supercharge fitness. Our unique formula features Nitrosigine®, a cutting-edge compound renowned for delivering exercise benefits and supporting enhanced blood flow, contributing to overall cardiovascular health.
- Supports arginine and silicon levels
- Helps boost nitric oxide (NO) levels to support overall cardiovascular health
- Takes effect in as quickly as 30 minutes and lasts up to six hours
Specifications
- First available: 08/2016
-
Shipping weight:
0.1 kg
- Product code: DRB-00406
- UPC: 753950004061
- Package quantity: 60 count
- Dimensions: 9.7 x 5.2 x 5.2 cm , 0.1 kg
Suggested use
Adult Use: Take 2 tablets daily, preferably without food, or as recommended by a nutritionally-informed physician.
Other ingredients
Microcrystalline cellulose, croscarmellose sodium, stearic acid, hydroxypropyl cellulose, magnesium stearate (vegetable source), clear coating (hypromellose, glycerin).
Warnings
Consult your physician before using this product if you are pregnant, lactating, have a medical condition, on prescription medications, or other supplements that may lower blood pressure while taking in concomitant with this product. Not for use by individuals under the age of 18 years.
Keep out of reach of children. Store in a cool dry place.
Disclaimer
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% |
| Inositol-stabilized Arginine Silicate (as Nitrosigine®) | 1,500 mg | † |
| † Daily Value not established. | ||