<<Disclaimer: Verify this information before applying it to your situation.>>

Has anyone used these products and/or know if they are GF?

Met-Rx Nutritional Drink Mixes,
Met-Rx Nutritional Food Bars,
Met-Rx Protein plus Drink Mixes
Met-Rx Protein plus Food Bars
Met-Rx Pro 50 meals

I'm trying to add a meal or nutritional drink in between meals in an
effort to gain weight.

Any ideas/ alternatives?  Thanks
Peter