5.0
verified purchase
Great pump
good quality ingredients, delicious grape taste that helps in providing pump during gym use.
8/7/2026
Non-Stim Nitric Oxide Support Artificially Flavored Dietary Supplement 3 g L-Citrulline 500 mg Nitrosigine® 100 mg S7® + Astragin® Nitrosigine® S7® AstraGin® R1 Pump Features a stim-free combination of active ingredients designed to help support nitric oxide synthesis and vascularity in hard working muscles. R1 Quality Guarantee - Commitment to Quality We develop our own products, source the finest ingredients, and manufacture them in an FDA-inspected, GMP-compliant, and banned substance tested facility. Informed Choice We Test, You Trust - Banned Substances Tested Informed Choice® Certified. Regularly tested for banned substances by the world class sports anti-doping lab, LGC.
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Within 30 days of delivery
Non-Stim Nitric Oxide Support Artificially Flavored Dietary Supplement 3 g L-Citrulline 500 mg Nitrosigine® 100 mg S7® + Astragin® Nitrosigine® S7® AstraGin® R1 Pump Features a stim-free combination of active ingredients designed to help support nitric oxide synthesis and vascularity in hard working muscles. R1 Quality Guarantee - Commitment to Quality We develop our own products, source the finest ingredients, and manufacture them in an FDA-inspected, GMP-compliant, and banned substance tested facility. Informed Choice We Test, You Trust - Banned Substances Tested Informed Choice® Certified. Regularly tested for banned substances by the world class sports anti-doping lab, LGC.
- SKU
- 3-140540
- Brand
- Rule One Proteins
- Category
- health / sports-nutrition / energy-performance / performance-enhancer
- Variants
- 1
Customer reviews
5.0
verified purchase
quality
Works well and no side effects for me., iherb is so helpful
5/5/2026
5.0
verified purchase
The pump is good and the taste is good too!
1/16/2026
5.0
verified purchase
Excellent if you exercise in the evening
This brand needs no introduction; you'll feel an improvement in your workout time from the second use.
1/16/2026
5.0
verified purchase
good
Pump feeling is really good, no weird tinky feeling like other pre
12/5/2025
4.0
verified purchase
good
Good quality, will buy again. Useful for daily consumption. I like this product. Could use some more citrulline though.
10/9/2025
5.0
verified purchase
High-quality pre-workout supplement with effective ingredients; delicious grape taste. Compact size and well-designed composition in a convenient package make it a great choice.
9/30/2025
5.0
verified purchase
Good pump formula
Enjoyed this pump formula - nice to not have caffeine in it and definitely helped with gym and training.
6/20/2025
5.0
verified purchase
Love this stuff.
Rule 1 is one of my favorites. I enjoy the pump because it doesn’t have the caffeine. Gets me going early in the morning when I’m trying to get a workout in! Grape is a great tasting, too.
3/29/2025
5.0
verified purchase
Great
Quality is good, ingredient too. Taste not bad, great for workout. Which is free stim
3/8/2025
