What does mg per kg mean content wise in supplements

[spottydottypony]

I know it sounds a daft question but does mg/kg mean the amount of ingredient per Kg in Mg? Just confused i want a supplement with high copper levels for my boy but want to feed an all round vits and mins. Some ive seen have Copper 75 mg/ kg of supplement and others 4,300 Mg/ Kg. I am not thick but which has the most copper in?

 

[TwoStroke]

Yes, if a supplement has 74 mg per kg, that means that for every kilogram of product, 74 milligrams of it will be copper. So if the product has 4,300 mg/kg, there is 4,300 mg of copper in every kg. The higher the number, the more copper per kg.

When choosing a supplement, you need really to look at the amount of copper (etc) supplied per day. So if a supplement is fed at 50g per day, and has 4,300 mg of copper per kg then it is supplying 215 mg of copper per day. (4,300 / 1,000 = 4.3 mg of copper per gramme of product. If fed at 50g per day: 50*4.3=215mg per day).

So it's best to compare supplements on what they're actually providing per day, rather than the levels of minerals per kilogram, as one could be fed at a rate of 20g per day, and the other at 100g per day, which will affect the levels of minerals being supplied.

Hope that makes some sense!

 

[spottydottypony]

That makes sense thank you. i was going mad trying to work it out!