I never tried oil of oregano or grapefruit seed extract. What do they taste like? Any aftereffects?
Which of these is the most effective as antibiotic:
Pau D'Arco
olive leaf extract
oil of organo
grapefruit seed extract?
Note that grapefruits and citrus give me Acne (not to mention stomach pain). Once, red grapefruit even caused some minor red spots to appear on my arm - and this is very unusual for me.
As for garlic - both garlic and onions (if non-sauteed followed by thorough cooking) cause me to get terrible sore throat, like my throat closing up, followed by nasal drip lasting for weeks. Also headachy.
I'm not the only one - take a look at all the onion allergy testimonials on About.Com.
Onion-garlic intolerance may be related to congested liver (see: http://www.digitalnaturopath.com/cond/C22977.html