Question: And one of the best fiber supplements is certainly glucomannan thats derived from the roots of the elephant yam or konjac
Please fix the punctuation.
Fixed: [And one of the best fiber supplements is certainly glucomannan that's derived from the roots of the elephant yam or konjac.]

Question: Farewell to whining to justice and the dictates of fashion
Please fix the punctuation.
Fixed: [Farewell to whining, to justice and the dictates of fashion.]

Question: Brillouin was a physics assistant at the Collge de France while he worked for his doctorate in mathematics and physics which was awarded in 1881
Please fix the punctuation.
Fixed: [Brillouin was a physics assistant at the College de France while he worked for his doctorate in mathematics and physics which was awarded in 1881.]

Question: Some point out that eggs contain the essential nutrients protein and phosphorus essential for human bodies
Please fix the punctuation.
Fixed:
[Some point out that eggs contain the essential nutrients, protein and phosphorus, essential for human bodies.]