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Is Collagen a Vitamin? Plus the Amino Acids That Build It

Is collagen a vitamin? No. Collagen is the body's most abundant structural protein, built from a repeating pattern of glycine, proline and hydroxyproline. The vitamin in the story is vitamin C, which contributes to normal collagen formation.

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Pure Vitamins UK 3-in-1 magnesium supplement bottle with glycinate, malate, and citrate forms on white background

What Is a 3-in-1 Magnesium Supplement?

What a 3-in-1 (triple complex) magnesium supplement is: three magnesium forms in one serving, led by glycinate because it's well-absorbed and gentle on the stomach. Which forms can be laxative, and magnesium's authorised roles.

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Pure Vitamins Vitamin D3 + K2 tablets, 4000 IU D3 and 100 micrograms K2 MK-7, GMP certified, vegetarian packaging

Can Vitamin D3 Without K2 Actually Hurt You?

An honest, evidence-based look at whether taking vitamin D3 without K2 can actually harm you — the calcium mechanism, what the human trials really show, why magnesium matters too, and when pairing D3 with K2 is the considered choice.

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Pure Vitamins UK Vitamin D3 and K2 tablets, 4000 IU D3 and 100 micrograms K2 MK-7, vegetarian supplement

How Much Vitamin D3 and K2 Should You Take Daily? A UK Guide

Confused about vitamin D3 and K2 dosage? Dr. Miron explains NHS guidelines, optimal daily amounts, and the right D3:K2 ratio for UK adults.

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Is B12 or B Complex Better for Energy? An Honest Comparison

B12 vs B complex for energy: which to choose depends on what your diet is missing, not which is stronger. Single B12 suits vegans and at-risk groups; a complex suits limited diets. B vitamins ease tiredness by supporting normal metabolism, not as a stimulant.

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Pure Vitamins B12 tablets with methylcobalamin and adenosylcobalamin, vegan-friendly, GMP-certified for energy support

B12 and Energy: The Honest Answer

The honest answer on B12 and energy: it contributes to normal energy-yielding metabolism and the reduction of tiredness, but it's not a stimulant and won't 'boost' energy if you're not low. Why energy drinks add it, and B12 vs B complex.

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Pure Vitamins UK NMN Fusion Pro supplement bottle with NMN, CoQ10, Resveratrol, and TMG capsules

NMN Dosage Over 50: How Much Do People Take? (UK Guide)

Over 50 and considering NMN? How NMN is typically dosed, why per-serving amounts vary so widely between UK products, and what to check on the label — without overpromising.

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What 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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What's Actually in a Natural Sleep Supplement?

What's actually in a natural sleep supplement? Usually a themed combination: magnesium (the ingredient with authorised nervous-system and tiredness claims), plus traditional botanicals like ashwagandha and valerian and the amino acid L-theanine. Note melatonin is a UK prescription medicine, not a supplement.

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