While nausea tends to be linked to the stomach and digestion, it actually indicates that the kidneys are stressed. Check-in to your body on hydration and then consider if it is bringing up an emotional fear as the kidneys are the organ associated with fear.
Set your intention and you will be led to the supplement that supports you best. What I love about the SoulCybin supplements is how amazing they are at co-creating with your soul to fulfill your intention.
IMHO and experience, lemon tek interferes with the co-creating process.