GUUDIES Journal
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Best Vitamins to Take on Mounjaro (UK): What You Actually Need
The best vitamins to take on Mounjaro, Wegovy or Ozempic: what NHS weight-management services advise, which nutrients are most at risk when you eat less, protein, hair shedding, tiredness, and what to ask your prescriber.
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Vitamin D Blood Test UK: Do You Need One and What Do Results Mean?
How vitamin D blood tests work in the UK, what your nmol/L result means, who should be tested, NHS vs private kits and why most healthy adults can follow NHS advice without one.
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How Much Vitamin D Should I Take? UK Doses and Upper Limits
How much vitamin D to take in the UK, from NHS and SACN guidance: 10µg a day in autumn and winter, who needs it all year, the 100µg adult upper limit and how to read a label.
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Immune Support Supplements UK: Which Vitamins Actually Matter This Winter
Which vitamins for the immune system are worth taking in the UK? Vitamin D, vitamin C and zinc explained, what the evidence says about elderberry gummies, and how to choose without overspending.
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Vitamin D Deficiency Symptoms: Signs to Know This UK Winter
The signs of vitamin D deficiency in adults, who is most at risk during a UK winter, how to get your level checked and how much to take, based on NHS advice.
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Magnesium Glycinate vs Citrate: Which Form Should You Choose?
An honest comparison of magnesium glycinate and citrate: absorption, gut effects, cost, label reading, NHS dose limits and medicine interactions. GUUDIES contains no magnesium.
