ChemBB
Member
If stored in a cool, dark place, sealed oils can keep for +5 years, depending on carrier oil.what's a reasonable shelf life for oils
Oils high in polyunsaturated fats (GSO) are more prone to oxidation and have a shorter shelf life.
MCT and EO have a comparatively longer shelf life, they oxidize much less.
Testosterone is quite stable, some compounds like Tren oxidize at a much greater rate.
Though oxidation is not the primary concern, it may cause some potency loss, but as long as the solution is still microbially sterile you should be alright.

