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  1. 08-01-2004, 02:48 PM #1
    Justin_Case's Avatar
    Justin_Case
    Justin_Case is offline New Member
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    MEDIA GRADE OR RECEPTOR GRADE? (IGF-1 r3)

    Is there truly a significant difference, health wise or result wise, in the two? Prices are MUCH different. Have someone I trust (checking with mods anyway) who has receptor grade only, but quite expensive.

    What should I be paying for either one anyway?
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  2. 08-01-2004, 03:14 PM #2
    einstein1905's Avatar
    einstein1905
    einstein1905 is offline Banned
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    Quote Originally Posted by Justin_Case
    Is there truly a significant difference, health wise or result wise, in the two? Prices are MUCH different. Have someone I trust (checking with mods anyway) who has receptor grade only, but quite expensive.

    What should I be paying for either one anyway?
    There is absolutely no reason to use receptor grade for human (or any in vivo) use. The only time that little % purity difference would be important are in in vitro binding assays...

    save your money. You also won't likely have access to receptor grade anyway
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