MyProtein ZMA vs Zinc/Magnesium/B6/Copper

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https://www.myprotein.com/sports-nutrition/zma/10529452.html
270 caps - 37.69€!!

Amount per 3 capsule serving:
Magnesium (from Citrate and Oxide): 450mg
Zinc (from L-Monomethionine and Aspartate): 30 mg
Vitamin B-6 (from Pyridoxine HCI): 10.5mg

Or This

https://www.myprotein.com/sports-nutrition/zinc-and-magnesium/10529513.html
270 caps - 23.49€

Amount per 3 capsule serving:
Zinc (as zinc l-methionine): 30 mg (300%*)
Magnesium (as magnesium citrate): 450 mg (120%*)
Vitamin B6 (as pyrodoxine hydrochloride): 11 mg (750% *)
Copper (as copper amino acid chelate): 600 mcg

* Percent Daily Values are based on the EC RDA.

they look pretty much the same apart from the copper and slightly different sources, which do you think would be better to take? second is much cheaper