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First Endurance Optygen Nutrition
Product DescriptionOPTYGEN is designed to maximize oxygen utilization and reduce lactic acid so you can generate more power.
User Reviews 
Submitted by
chin
a Weekend Warrior
from usa Date Reviewed: February 27, 2010 Strengths: it works good. Bottom Line: Expand full review >>Duration Product Used: 3 months
Submitted by
fast track
a Racer
from Elk Grove, CA USA Date Reviewed: November 5, 2009 Strengths: Did not notice a big difference until I rode at high altitude and had the ride of my life with climbers that always drop me. stopped taking it and notice a considerable drop off in performance for about 2 weeks. Weaknesses: expensive and I noticed a cough that lasted while I was taking it.It didnt bother me while riding though. Maybe just coincidence.I would say that my lungs felt sensitive while taking it? Bottom Line: Expand full review >>Favorite Trail: 3rd divide Duration Product Used: 1 Year Price Paid: $45.00 Purchased At: online Similar Products Used: FRS/r4 Bike Setup: Epic MTB / Tarmac road 
Submitted by
andybebay
a Weekend Warrior
from Maryville, TN US Date Reviewed: June 23, 2009 Strengths: cool reviews, nice packaging. Weaknesses: Didn't work for me. Took religiously for 4 weeks, no change, none. Bottom Line: Expand full review >>Favorite Trail: all of them Duration Product Used: Less than 1 month Price Paid: $40.00 Purchased At: ebay
Submitted by
bill stuy
a Racer
from kansas Date Reviewed: March 16, 2007 Strengths: performs as advertised. reduces lactic acid. improves recovery. allows more time at VO2 max Weaknesses: diminishing effects when taken consectutively for over 5months Bottom Line: Expand full review >>Duration Product Used: More than 3 years Price Paid: $37.00
Submitted by
Duncan Gardner
a Cross Country Rider
from UK Date Reviewed: September 17, 2006 Strengths: Superb extra endurance evan during first loading week. Really stops lactic acid build at end of ride and next day aches gone. Strange don't know how it works but it is good to by something which actually works. I use it wit SIS Go as an electrolyte which gives excelant on ride recovery Weaknesses: I feel a bit off if I run out of tablets or forget to talke Bottom Line: Expand full review >>Duration Product Used: 1 Year Purchased At: £34 Similar Products Used: None Bike Setup: Giant NRS carbon full sus X-country + Principia RCS
Submitted by
Duncan Gardner
a Cross Country Rider
from UK Date Reviewed: September 17, 2006 Strengths: Superb extra endurance evan during first loading week. Really stops lactic acid build at end of ride and next day aches gone. Strange don't know how it works but it is good to by something which actually works. I use it wit SIS Go as an electrolyte which gives excelant on ride recovery Weaknesses: I feel a bit off if I run out of tablets or forget to talke Bottom Line: Expand full review >>Duration Product Used: 1 Year Purchased At: £34 Similar Products Used: None Bike Setup: Giant NRS carbon full sus X-country + Principia RCS
Submitted by
Knopp Tom
a Racer
from Signal Mountain, TN, USA Date Reviewed: December 7, 2004 Strengths: It works. First Endurance has written the perfect trilogy with Optygen, Ultragen, and E3. I have experienced my best off-road riding since I started taking Optygen in 2002. I was hoping to improve my cardiovascular ability, but was suprised to improve on my bike handling skills as well. Weaknesses: Price-But if it works, it's worth it. It is not a magic pill. There are no magic pills yet. You have to still train hard to get results. But results are seen sooner than other supplement I have ever used. Actually, most of the other supplements I have tried have not been effective. Bottom Line: Expand full review >>Favorite Trail: Porcupine Rim-Moab Duration Product Used: 2 Years Price Paid: $50.00 Purchased At: firstendurance.com Similar Products Used: I have not found anything similar to Optygen, but have tried Cytosport-Vasostat, Endurox-Excel, E-Caps, Amino Vital-Fast Change, and OxyGen. Bike Setup: Specialized StumpJump (old S-works frame), XTR Groupo
Submitted by
jerry larson
a Racer
from alta utah Date Reviewed: April 8, 2004 Strengths: Fast recovery from intense efforts and drastically reduces lactic acid. At 46 years old Optygen is like the fountain of youth. Weaknesses: None Bottom Line: Expand full review >>Duration Product Used: 2 Years Price Paid: $50.00 Purchased At: web site Similar Products Used: There is nothing like it on the market
Submitted by
Natalie Angell
a Cross Country Rider
from Whitefish, MT 59937 Date Reviewed: April 4, 2004 Strengths: Marked increase in ability to recover in between competitions. Weaknesses: none- other than remebering to take it. Bottom Line: Expand full review >>Favorite Trail: Big Mountain, MT Duration Product Used: 6 months
Submitted by
Jimmy Archer
a Racer
from Boulder, CO, USA Date Reviewed: April 2, 2004 Strengths: As a triathlete I immediately noticed I was stronger off the bike and during the run. Over all I noticed that I recovered faster, especialy days with more than one workout. Weaknesses: None that I can see. Bottom Line: Expand full review >>Duration Product Used: 2 Years Purchased At: Colrado Cyclist Bike Setup: K2 Razorback Team, and K2 Mod 5.0 soon the Code 6
Submitted by
Russ
from Edwards Date Reviewed: April 2, 2004 Strengths: awesome taste, no clumps, easy to digest... and WORKS! Bottom Line: Expand full review >>Duration Product Used: Less than 1 month Price Paid: $50.00 Purchased At: Moontime Cyclery
Submitted by
Tyler Johnson
a Racer
from Cockaponsett Forest, CT Date Reviewed: April 1, 2004 Strengths: Does what it says it will do. I have used Optygen for two seasons and can testify that it really does allow you to increase your training effort and thereby increase your level of fitness. I race from Europe to Canada, all corners of the USA and am heading to the Pacific next week. Without Optygen I could not do 2-aday workouts and feel fresh the next day. Believe me this stuff works. It's easy on your stomach, never ever burped once, and the price is OK too. Weaknesses: I didn't find it sooner! Bottom Line: Expand full review >>Favorite Trail: Xterra Richmond Duration Product Used: 2 Years Similar Products Used: NONE Bike Setup: Cannondale Scalpel/XTR for Xterra and NORBA. Cannondale Optimo/Campy Record for Road Races/Duathlon/Triathlon.
Submitted by
Andy
a Racer
from Chandler, AZ Date Reviewed: April 1, 2004 Strengths: Easy to use, works great, high quality product Weaknesses: None Bottom Line: Expand full review >>Favorite Trail: Hawes Duration Product Used: 1 Year Purchased At: firstendurance.com Similar Products Used: Just about all of them... Bike Setup: Carbon Hardtail Trek and Titus Racer X - Titanium
Submitted by
Thomas
a Racer
from Salt Lake City, Utah, USA Date Reviewed: April 1, 2004 Bottom Line: Expand full review >>Duration Product Used: 2 Years
Submitted by
Kenny Williams
a Racer
from Washington, Kirkland, US Date Reviewed: March 31, 2004 Bottom Line: Expand full review >>Duration Product Used: 2 Years Price Paid: $49.00 Purchased At: Madison Bikes
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