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Supplement when Peri-RX is out of stock

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  • Supplement when Peri-RX is out of stock

    I’ve been out of Peri-RX for a while, and it’s been out of stock for weeks. Anyone know of a similar brand to use in the meantime that isn’t loaded with junk and has the same components at their clinically effective doses? For now I’m just creatine and coffee

  • #2
    I've spent a LOT of time looking for something comparable and if it's out there I am unable to find it. The closest thing I've found is the preworkout from Nutricost:

    Now granted the dosages aren't all the same as peri-Rx, its MUCH closer than 90% of the other preworkouts available on Amazon. It also has several other ingredients not in periRx, which you may consider a plus or a minus.

    8 grams of citrulline malate
    5 grams of creatine monohydrate
    6.4 grams of beta alanine
    Beet root concentrate to yield 500mg nitrates and 12.5mg betalains
    300mg caffeine anhydrous​

    6 grams of citrulline malate
    0 grams of creatine monohydrate
    3 grams of beta alanine
    No Beet root concentrate to yield 500mg nitrates
    300mg caffeine anhydrous

    You'd need to get creatine elsewhere. And you'd miss out on the beets.

    I can't vouch for it, I wasn't convinced enough to buy it. I'm sticking to caffeine gum for a preworkout.


    • #3
      You can sort of make your own, but taste is very questionable, beetroot powder is difficult to find specifics on and the cost seems to be overall the same or higher than Peri RX.