Even though nitric oxide is a relatively new supplement in
the industry, it has already received positive feedback from
several scientific studies. Nitric oxide (AAKG) offers increased
levels of strength, increased levels of anabolic hormones, enhanced
blood flow to the working muscles, and enhanced immune function.
Although there is less evidence to substantiate a valid argument
for increasing muscle hypertrophy through AAKG supplementation,
by its ability to increase strength and optimize hormonal production,
muscle hypertrophy may very well be an indirect side effect.
Dosage recommendations vary widely for AAKG due to a lack of
standardized supplementation routines among scientists. However,
the common recommendations range anywhere from 3-30 grams a day.
AAKG is best absorbed on an empty stomach and split up 2-4 times
throughout the day before or after meals. Morning, pre, and post
workout are also quality times to consume AAKG. Large doses of
30 grams or more have not shown any negative side effects or
toxicity and have even shown positive attributes.
According to consumerlab.com and other sources, some of the higher
quality forms of nitric oxide on the market include: BSN Nitrix,
NxLabs Vaso XP, Syntrax Nitrous, CytoSport Fast Twitch, Xyience
XNO, Progressive Laboratories Arginine, Nature's Harmony L-Arginine,
Controlled Labs White Flood, and Gaspari Nutrition SuperPump250.
16. International Society of Sports Nutrition Conference Proceedings.
Sports Nutrition Review Journal, 1: S1-11, 2004.
17. Manninen, H. Supplement Performance: Nitric Oxide Boosters.
Cutting-Edge Data from ISSN Conference Proceeding. 2005.
18. Baechle, T., Earle, R., Essentials of Strength Training
and Conditioning. National Strength and Conditioning Association.
19. Elam RP, Hardin DH, Sutton RA, Hagen L. Effects of arginine
and ornithine on strength, lean body mass and urinary hydroxyproline
in adult males. J Sports Med Phys Fitness. 1989 Mar; 29(1): 52-56.
20. Friedl R, Moeslinger T, Kopp B, Spieckermann PG. Stimulation
of nitric oxide synthesis by the aqueous extract of Panax ginseng
root in RAW 264.7 cells. Br J Pharmacol. 2001 Dec; 134(8): 1663-70.
21. Nagaya N, Uematsu M, Oya H, Sato N, et al. Short-term
oral administration of L-arginine improves hemodynamics and exercise
capacity in patients with precapillary pulmonary hypertension.
Am J Respir Crit Care Med. 2001; 163: 887-891.
22. Bodybuilding.com. NO Nitric Oxide Info And Products. 2006.
82. Suminski RR, Robertson RJ, Goss FL, Arslanian S, Kang
J, DaSilva S, Utter AC, Metz KF. Acute effect of amino acid ingestion
and resistance exercise on plasma growth hormone concentration
in young men. Int J Sport Nutr. 1997 Mar; 7(1): 48-60.