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Upgrade to the
What you get:
• 1x Vintage Build™ muscle builder sachet• 1x Vintage Brawn™ protein sachet• 4x Vintage Burn™ fat burner sachets• Special Edition OSL T-Shirt• OSL ProShaker 28oz shaker bottle
No thanks, I only want 2 samples and a shaker:
Tastes good. I use it daily after workouts. It’s a good quality product that helps me get my daily intake of protein.
- James P.
✔ VERIFIED BUYER
I tried a lot of proteins in my time. Old school labs definitely delivers with this no nonsense formula it's my new go to I highly recommend.
- Allen A.
Having one of these shakes just after a grueling workout brings instant life back in me whether I'm doing weights, Brazilian Jiujitsu, or boxing.
- Kevin S.