Jorge, try Impact by CR Race Nutrition ( http://www.crracenutrition.com ).

Impact contains the main 3 active ingredients that are found in other popular products, but at a better price than most on the market. The potency is as high or surpassing that of the other products.

Impact is a drink additive, so you take it when you need it - before and/or during a hard effort. Clinical research backs up this methodology. You get the enhancement when you need it.

Impact also contains d-glucuronolactone, found in products such as Red Bull. Studies show that glucuronolactone enhances and preserves glycogen stores.

Contact me and I'll be happy to get you a free sample.

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C Ryan Robinson

We cannot say with 100% certainty that you will build a tolerance, but we do recommend you only use Optygen during times of stress like a 3 month training block leading up to an Ironman. So in the end you can cycle Optygen if you also cycle your training, so of us tend to train hard for 8-10 months straight and for those its best to just stay on it for 8-10 months.
It would be difficult to say unless we did a long term study if a tolerance would develop, though we do not believe so. We've had athletes use Optygen over 8 years and 90% of the time they have been on the product and these athletes still claim a benefit and can measure this via various physiological parameters.

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Robert Kunz / Founder and VP of Science for First Endurance

I don't understand why you would believe this is the case? Can you explain.

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Robert Kunz / Founder and VP of Science for First Endurance

you really think stimulants have a healthy effect on cortisol levels?

EPO. You can get it legally from a doctor and when you cross the finish line just leave so there is no way you can get tested.

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customerjon @gmail.com is where information happens.

What stimulants do you believe are in Optygen?

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"Non est ad astra mollis e terris via." - Seneca | rappstar.com | FB - Rappstar Racing | IG - @jordanrapp

hard training on a regular basis?
jake

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Get outside!

I started using the 1st Endurance products a couple months ago (EFS, Optygen, PreRace, Multivit) and have been amazed at the difference in my training. I have yet to race with it (Half marathon is next weekend), but i've been able to sustain a faster pace for longer time. Before i started using this, i did the research on this product/company and was impressed. Next, i called Robert at 1st Endr. and hammered him with questions for about 45 mins. Being a Pharmacist, i always research products that aren't FDA approved before i try them. I have come away very impressed so far with everything they claim to be. As far as being legal? Look no farther than the winner of the past 2 Tour De France races Alberto Contador. As scrutinized as these riders are in terms of using illegal subst., don't you think that an illegal subst. would've been brought to the forefront? Great products.

Dave Z

It is called SPINE.

Really too bad that most people who look for supplements to boost their performance don't know anything about it.

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___________________________________________
Ego numquam pronuncio mendacium,
sed sum homo salvaticus

"...most people use supplements are spineless"....???? Is this your attempt at humor, or you just being a dick?

Dihydrogen monoxide. Its not banned, but check out the link for dangerous potential side effects.
http://www.google.com/...vm=bv.74035653,d.aWw

5 hour rides in zone 2

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Kat Hunter reports on the San Dimas Stage Race from inside the GC winning team
Aeroweenie.com -Compendium of Aero Data and Knowledge
Freelance sports & outdoors writer Kathryn Hunter

Just curious as to how you came across to revive a 4-year old thread? Was it via the Search function? Google? Searching for ____ (what?)

(FWIW-I understand the idea to continue the DHMO joke, for the 6 people who don't get it, so I'm not criticizing that.)

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Take a short break from ST and read my blog:
http://tri-banter.blogspot.com/

Caffeine & cannabis. Get da quad shot of espresso n hit da blunt get nice & toasty for the 100mi

Has anyone had any experience with Beet Juice? If so how did you use it?

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Hook Em' Horns

But Jordan is sponsored by them so it's OK :)

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Rodney
TrainingPeaks | Altra Running | RAD Roller
http://www.goinglong.ca