The 5 Supplements Every High-Performing Woman Over 40 Should Actually Take | Angela Foster

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If I were starting over at 40, five supplements would form my foundation: magnesium (and which forms support brain, sleep and heart), omega-3 dosed to an 8–12% index, vitamin D3 with K2 to steer calcium into bone, not arteries, creatine at 3–5g (more for bone), and glycine for collagen, glutathione and sleep. I cover the doses, why testing beats guessing, and why supplements only come third - after food, strength and sleep.

What you’ll learn:

Which single supplement I'd keep if I had to give up every other one — and why

How the different forms of magnesium map to brain, sleep and cardiovascular support

Why your omega-3 index matters far more than how many capsules you swallow

What vitamin K2 actually does that makes taking vitamin D3 on its own a mistake

Why creatine isn't just for building muscle, and what it does for your brain and bones

How glycine quietly supports collagen, glutathione and deeper sleep as you age

Why loading up on supplements can age you faster, and the food-first order that doesn't

Timestamps:

00:00 - The 5 Supplements I'd Take If I Started Over at 40