I thought these had been in use for quite a while - Plumpy'nut [1] being the variety I'd seen mentioned most commonly. I see that there's some patent nastiness[

I thought these had been in use for quite a while - Plumpy'nut [1] being the variety I'd seen mentioned most commonly. I see that there's some patent nastiness[2], which could explain some things. 1: https://en.wikipedia.org/wiki/Plumpy%27nut https://en.wikipedia.org/wiki/Plumpy%27nut 2: https://en.wikipedia.org/wiki/Plumpy%27nut#Patent_issues https://en.wikipedia.org/wiki/Plumpy%27nut#Patent_issues