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SFUELS LLC.  (C) 2019

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One sample per customer.  Spike-FREE provides SFuels sample pack for free, customers responsible for shipping costs.


Sample pack offer, only valid during the promotion time period  (the week) where it is presented on Ultrarunner podcast.


Requests for samples out side the USA, can be sent to a US postal address - for international onward shipping (cost of requester).

I heard about SFuels in ULTRARUNNING Magazine...

3 Steps to your FREE Sample.

Free SFuels sample-pack provided at our cost.

Shipping cost added, per Step 3 below.

NOTICE:  Due to unforseen demand, in SFuels products, we have exhausted all sample packs in inventory, at this time.


We will be back in contact with you immediately once we have secured resupply of SFuels samples. 


We sincerely apologize for this in convenience.



STEP 1:  Register here