Let me state the obvious: there is no nutritional need for foods with added sugar.
We should certainly eat less of it, and we should be as humane as possible in weighing up the balance between nutritional need and animal suffering.
Typically, pastoralists are highly dependent on cash purchase of food to satisfy their nutritional need, but the widespread adaptation to agro-pastoralism reduces this dependency and frees up cash for other uses.
Contemporary industrial society simply has no nutritional need for animal flesh at all.
There's really no nutritional need for protein powders," explains performance nutritionist Adam Kelinson, author of The Athlete's Plate: Read Food for High Performance and nutritional consultant for athletes and celebrities, including Prince, Hillary Swank, and Mariska Hargitay.
The salt licks common in its historical range do not exist in Ujung Kulon, but the rhinos there have been observed drinking seawater, likely for the same nutritional need.
Most insects have a nutritional requirement for polyunsaturated fatty acids, and many studies have pointed out that either linoleic or linolenic acids satisfy this nutritional need.
However, other pressures (e.g., increased nutritional need among juveniles; Arenz and Leger 2000) may govern the vigilance vs. foraging tradeoff in low-risk environments.
