Evidence supporting the use of: Vitamin B1
For the health condition: PMS (general)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 2

Vitamin B1 (thiamine) has been investigated for its potential role in alleviating symptoms of premenstrual syndrome (PMS). Thiamine is an essential nutrient involved in carbohydrate metabolism and nervous system function, and deficiencies can lead to neurological symptoms. The scientific rationale for its use in PMS is based on its role in neurotransmitter synthesis and energy production, which may influence mood and fatigue—two common PMS symptoms.

Some small clinical studies have evaluated B vitamins, including thiamine, in the context of PMS. For example, a randomized controlled trial published in the late 1990s suggested that a combination of B vitamins (including thiamine) might reduce certain PMS symptoms, but these studies often combined multiple B vitamins, making it difficult to isolate the effect of thiamine alone. Overall, the evidence for thiamine specifically is limited. Systematic reviews and meta-analyses have not identified strong support for vitamin B1 supplementation as an effective standalone treatment for PMS. Most guidelines do not recommend thiamine as a primary intervention for PMS.

In summary, while there is some scientific interest and limited clinical data regarding vitamin B1 for PMS, the evidence is weak and not robustly validated. Thiamine is not a standard or widely recommended treatment for PMS, and more research would be needed to clarify its efficacy.

More about Vitamin B1
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Products containing Vitamin B1

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