Add punctuation: It also promotes weight loss through marginal losses of around 3 pounds per week
A: It also promotes weight loss through marginal losses of around 3 pounds per week.

Add punctuation: Photos are among the best files through which you can cherish moments
A: Photos are among the best files, through which you can cherish moments.

Add punctuation: The municipal election met the constitutional mandate under Article 28 Paragraph 1 Sentence 2 of the Basic Law after the counties and municipalities must have a representation of the people
A:
The municipal election met the constitutional mandate under Article 28 Paragraph 1 Sentence 2 of the Basic Law, after the counties and municipalities must have a representation of the people.