A high consumption of sugary drinks (an ultra-processed food) is associated with an increased risk of hair loss, latest research has indicated.
A new study has found that nutrients and specific foods and supplements are crucial for maintaining hair follicle wellbeing.
Alopecia is a general medical term for hair loss, which can be genetic, result from stress or medical conditions, or be an autoimmune condition like alopecia areata.
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While most common hair loss is a natural, non-worrying process (like shedding up to 100 hairs daily), significant hair loss or patches of baldness can signal an underlying issue requiring medical advice.
Emerging research reveals that diet and nutrition can significantly influence optimal hair outcomes.
Throughout the trial, the team of researchers looked at the findings of 17 original peer-reviewed studies involving more than 61,332 participants to assess the impact of certain foods on hair outcomes.
One of the studies from China revealed that a high intake of sugary drinks was associated with a greater risk of hair loss.
In addition, excessive consumption of alcohol was also linked with an increased risk of hair loss and premature hair depigmentation, the trial has reported.
People with protein deprivation were at greater risk of reduced hair bulb diameter and pigmentation, while a higher consumption of cruciferous vegetables and soy products triggered hair loss, according to the results.
On the other hand, eggshell membrane, INVERSION Femme, persimmon leaf extract and marine protein complex were linked with improved hair density, gloss and a reduced risk of hair loss, the research has shown.
According to the findings, lower serum vitamin D levels and a high intake of retinol (vitamin A) were associated with a greater severity of alopecia areata. Dietary iron was linked with improved hair growth among women, one of the studies revealed.
The findings state: “The present systematic review underscores nutrition’s critical role in maintaining healthy hair.
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“Current scientific evidence suggests that ensuring adequate levels of key nutrients, particularly vitamin D and iron, is a beneficial strategy for preventing and managing alopecia.”
The results conclude: “At the same time, limiting the intake of alcohol and sugary drinks may help protect against hair loss.
“Evidence also points to potential benefits from protein sufficiency, soy and cruciferous vegetable intake, and certain multi-nutrient supplements, though further research is needed to confirm these associations.”
Read more in the journal Nutrition and Health.
