Nutrition information is everywhere, but how do you know what to trust? it is essential to evaluate credentials, credibility, relevance, and quality of research for each source you consider. it is also important to understand how to identify and avoid sensationalism. choose the options that are most likely to be sources of reliable nutrition information:

I believe the answer is: it is essential to evaluate credentials, credibility, relevance, and quality of research for each source you consider.

People who had credentials would put their career on risk if they dare to give misinformation regarding the topic in their expertise field. (they could face both fines or prison time)  Because of this, most of them are generally trustworthy. Information regarding this credential usually could be obtained on product's site.

it is a part of john locke's natural rights popular during the age of enlightenment that people had inalienable rights to life, liberty and property. this was reflected by thomas jefferson in his declaration of independence as rights to life,liberty and the pursuit of happiness.

another line in the declaration of independence is that people have certain rights just because they are human. humans are capable of obeying the three natural rights john locke mentioned making them governable by these laws and therefore entitled to these rights as well.