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What Are the Signs of Low Zinc?
What are the signs of low zinc? Because zinc is involved in thousands of proteins, low status can show as frequent minor infections, skin/hair/nail changes, reduced taste, and slow healing. Why it happens and when to see a professional.
Learn moreWhat Is the Active Form of B12? Methylcobalamin & Adenosylcobalamin Explained
What 'active form' of B12 really means: methylcobalamin and adenosylcobalamin are the two coenzyme forms your cells use, while cyanocobalamin and hydroxocobalamin are converted inside the body. What the research actually shows about which form to choose.
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D3 vs D3+K2, What Is K2 MK-7, and Is 4000 IU Safe?
D3 vs D3+K2 (both vitamins support normal bones), what vitamin K2 MK-7 is (a well-absorbed form), and a straight answer on whether 4000 IU vitamin D is safe daily (it's the recognised tolerable upper limit for adults).
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What Is Hydrolysed Collagen?
Hydrolysed collagen (collagen peptides) explained: collagen broken into small, easily absorbed fragments. The signature amino acids glycine, proline and hydroxyproline, why collagen is a protein not a vitamin, and what pescatarian marine collagen is.
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What Does CFU Mean in Probiotics?
Probiotic labels decoded: what CFU (colony-forming units) means, whether higher is always better, what '14 strains' means, what a delayed-release capsule does, and what inulin (a prebiotic fibre) is doing in the formula.
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Why Does Turmeric Need Black Pepper?
Why turmeric supplements include black pepper: piperine, the active compound in pepper, supports the absorption of curcumin, which is otherwise poorly absorbed. The ratio that matters, and why dietary fat helps too.
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Creatine Monohydrate vs HCl: Key Differences
What creatine is, how your body makes it, and monohydrate vs HCl: monohydrate is the well-studied, cost-effective standard; HCl is a pricier, less-studied form; micronised just mixes better.
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NMN vs NR: Which NAD+ Precursor Is Right for You? (UK Guide)
NMN vs NR compared plainly: how the two NAD+ precursors differ, what the research does and doesn't show, and how to choose between them as a UK buyer.
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Magnesium Glycinate — What the Peer-Reviewed Research Actually Shows
Reviewed and updated: 24 July 2026 Magnesium glycinate is the form I point most people towards for everyday use, and the honest, research-backed reason is simple: it is one of...
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