You lucky Os can have black pepper if you grind it fresh. We As aren't so lucky. But I have by chance discovered a sub that has 2 neutrals and an unknown. Both neutrals are cancer beneficial.Dried seaweed (I used Seagreens (tm), which are prepared for grinding in a salt cellar)
mustard seeds
black onion seeds (aka kalonji) (which are not anything to do with onions, have a peppery aroma but are not hot.
Grind in coffee grinder, store in jar.
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40 yrs old woman, A2 MN secretor, presently challenged by secondary breast cancer, lives in UK, married, 7 yr old son.