Loss of smell may be related to low Zinc or perhaps low vitamin D

A possible correlation between vitamin D deficiency and loss of smell: 2 case reports – 2011

2 people reported increased ability to smell after increasing vitamin D levels

With 10,000 IU of vitamin D daily her ability to smell started to return after a few months

📄 Download the PDF from VitaminDWiki

VitaminDWiki Observations

• Loss of taste and smell sensitivity after chemotherapy, which is associated with low Vitamin D

• Loss of smell associated with obesity – which is associated with low Vitamin D

• Loss of smell is an early indication of both Parkinson’s and Alzheimer’s diseases, which are associated with low Vitamin D

• Loss of smell and taste is associated with Multiple Sclerosis, which is associated with low Vitamin D

See also VitaminDWiki

• 96 percent of ear, nose, throat children had less than 30 ng of vitamin D – Jan 2013

• Nasal polyposis greatly decreased by 4,000 IU of vitamin D for 4 weeks - 2014

• Off topic: Women can learn a smell 100,000 X better then men – Aug 2017

See also web

• Serum 25-hydroxyvitamin D3 level may be associated with olfactory dysfunction in de novo Parkinson's disease Aug 2018
  • doi: 10.1016/j.jocn.2018.08.003.
• Olfaction: Smell of Change in the Air Aug 2017
  • 
  • Note: Women can smell better than men
• Serum 25-hydroxyvitamin D3 level may be associated with olfactory dysfunction in de novo Parkinson's disease Nov 2018

See also: smell and Zinc on the web

Zinc and Taste Disturbances in Older Adults: A Review of the Literature.

Consult Pharm. 2016 May;31(5):267-70. doi: 10.4140/TCP.n.2016.267

• According to the National Health and Nutrition Examination Survey III, 35% to 45% of adults 60 years of age or older had zinc intakes below the estimated average requirement of 6.8 mg/day for elderly females and 9.4 mg/day for elderly males. Zinc deficiency may lead to
  • loss of appetite,
  • impaired immune function,
  • weight loss,
  • delayed healing of wounds,
  • eye and skin lesions, and
  • smell and taste disturbances.
• Older adults are especially affected by changes in taste sensations because of age-related gustatory dysfunction, use of multiple medications, increased frailty, and zinc deficiency . This article reviews the finding of clinical studies investigating the use of zinc supplementation for improvement with taste disturbances in older adults.
  • - - - - - - - - - - - - -
• Common Signs of Nutrient Deficiency 2014
  • Low Zinc is another possible cause (link includes other symptoms of low zinc )

• Why Can't I Smell Anything? --Top 10 Causes and Remedies updated Feb 2017

  • “1% to 2% percent of people in North America report a “smell Disorder”:
  • “anosmia,” = the inability to detect odors,
  • “hyposmia,” -decreased ability to detect odors
    • Note: Zinc deficiency increases with age

• Natural Cures for Loss of Smell lots of user discussion

  • Castor Oil, Garlic, Zinc , Omega-3, Alpha Lipoic Acid , Borax, .
• Infants and elderlies are susceptible to zinc deficiency Feb 2016
  • Zinc meaasured in hair from 20,000 Japanese, Full PDF online
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