1. His sperm takes about 90 days to make, so his part starts before you're trying
You have probably been preparing your body for months. His biology runs on a similar clock. Sperm takes roughly 70 to 90 days to fully form, and that whole window is shaped by how he eats, sleeps, and lives. So the version of his sperm that matters on the day you try is being built right now. Foundations gives that window something to work with: eight clinically backed ingredients in one daily serving.*
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