More women are turning to personalised health testing during menopause, and food is often part of that picture. It's a common but under-discussed pattern: foods you've tolerated for years suddenly seem to cause bloating, discomfort or other reactions, without any obvious change to your diet.
Why the body changes during menopause
Oestrogen influences far more than reproduction. It plays a role in metabolism, digestion, sleep, mood, energy and body composition, along with skin health. As oestrogen levels shift during perimenopause and menopause, it's not surprising that digestion is often one of the things that changes too, though how much, and in what way, varies considerably from person to person.
Can menopause actually affect food tolerance?
Many women report increased bloating, digestive discomfort, changes in bowel habits, or new sensitivity to foods they've always eaten without issue. To be clear, menopause doesn't directly cause a food intolerance. What it can do is shift how your body processes food, which means an underlying sensitivity that was manageable before may become more noticeable now.
What is food intolerance, exactly?
Food intolerance is different to a food allergy. It usually comes down to your body struggling with a specific mechanism, an enzyme deficiency, difficulty absorbing certain sugars, or histamine sensitivity, for example, rather than an immune reaction. Several of these mechanisms can be influenced by hormonal changes, which is part of why intolerance-type symptoms sometimes become more prominent around menopause.
Why women are looking at nutrition during menopause
As digestion and metabolism shift, many women want to understand which foods genuinely support how they feel, rather than following generic advice that doesn't account for what's changing in their own body.
Common menopause-related symptoms women are investigating
- Bloating and other digestive changes
- Fatigue and low energy
- Brain fog
- Weight changes
- Skin changes
The rise of personalised menopause health screening in the UK
More women are turning to at-home health screening during menopause, driven by convenience, no GP referral needed, greater general awareness of menopause and its symptoms, and a preference for personalised information over generic advice.
How i-screen supports women exploring menopause and wellbeing
i-screen offers a range of testing options relevant to nutrition, digestion and general health during this stage of life, all ordered online with no GP referral required.
Food intolerance testing: exploring food-related responses
Our Food Intolerance Test (IgG) measures antibodies to 96 common foods from a simple finger-prick sample. It's worth understanding what this actually shows: IgG antibodies reflect that your body has been exposed to a food, not, on their own, a diagnosis of intolerance, and gastroenterology societies don't recommend commercial IgG panels as a standalone diagnostic tool. Used well, it's one part of an investigation alongside your symptoms and a practitioner's input, not a replacement for either.
Perimenopause and menopause testing: understanding your stage
If you want to understand where you are in the transition itself, our Perimenopause & Menopause range covers hormone markers like FSH and oestradiol, alongside bone health markers, and includes our Female Hormone Test as a starting point.
Thyroid and iron: ruling out the overlaps
Fatigue, brain fog, weight changes and low mood overlap heavily between menopause and both thyroid dysfunction and low iron, which is why it's worth ruling these out rather than assuming everything is menopause-related. Our Thyroid Function Test and Iron Check are both simple starting points.
Comprehensive screening: the bigger picture
If you'd rather see the wider picture in one order, our Well Woman Check covers hormones, cholesterol, iron, liver, kidney and thyroid function, a diabetes marker, and vitamin D, useful if several of the areas above feel relevant at once. If digestion is the main focus rather than hormones specifically, our gut health and digestion testing range is the more targeted starting point.
The future of menopause care is personalised
Awareness of menopause and its wider effects on the body is growing earlier and more widely than it used to. That shift, toward preventative screening and personalised insight rather than waiting until symptoms are severe, tends to make for a more useful conversation with your GP or practitioner, not a replacement for it.
Menopause symptoms vary significantly between individuals and can have multiple contributing factors. Food intolerance testing and health screening provide additional information about health markers and food-related responses; they do not diagnose menopause or any medical condition. Women experiencing significant, persistent or concerning symptoms should speak with a qualified healthcare professional. New or worsening digestive symptoms, unintentional weight loss, rectal bleeding, or persistent fatigue with iron deficiency shouldn't be put down to menopause without checking with your GP first, these warrant assessment on their own merits, particularly for women over 45. i-screen tests do not require a GP referral, but results are best interpreted with your doctor or practitioner.


