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39 – https://www.iasj.net/iasj?func=fulltext&aId=71548
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41 – https://it.wikipedia.org/wiki/Zinco
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43 – https://www.asep.org/asep/asep/BrillaV2.PDF
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46 – https://blog.priceplow.com/wp-content/uploads/2014/08/withania_review.pdf
47 – https://ksm66ashwagandhaa.com/ksm-66/why-choose-
ksm/#:~:text=KSM%2D66%20is%20the%20highest,herb%20in%20the%20original%20balance.&text=
KSM%2D66%20is%20the%20ashwagandha,research%20studies%20and%20clinical%20trials