Armour thyroid versus Bovine thyroid?

[jagbender]

has anyone tried / use the New Zeeland Bovine Thyroid?

Thyroid Glandular

[FONT=arial,helvetica,sans-serif]MHP Thyroid Glandular SRP$20.50
60 caps

Thyroid tissue (New Zealand lyophilized)	125mg
Enzyme blend (protease, lipase, amylase)	80mg

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[andyrodgers]

which one is better to use for good results ???