Before You Buy Another Supplement, Read This
Over the last five years I’ve developed a strong interest in nutritional neuroscience and how specific foods and supplements influence the body and brain. One concept that really changed how I evaluate supplements is bioavailability.
Before I understood this, I mostly chose supplements based on brand popularity or marketing. But brand recognition alone doesn’t guarantee that your body can effectively absorb and use what’s inside the capsule or powder. I also learned that some products include fillers, binders, or low grade forms of nutrients that may reduce how efficiently the active ingredient is absorbed. That doesn’t automatically make them “bad,” but it can affect overall value.
Bioavailability refers to how much of a nutrient is actually absorbed into the bloodstream and becomes available for the body to use. It’s influenced by several factors:
• The chemical form of the nutrient
• Dosage
• Delivery method
• What you take it with (for example, fat soluble vitamins with dietary fat)
• Your digestion and metabolism
Understanding this shifted my approach. Instead of just asking “Is this brand popular?”, I started asking:
• What form of the nutrient is used?
• Is the dose evidence based?
• Is there transparency in testing and labeling?
• Does this form have good absorption data behind it?
It doesn’t mean the most expensive supplement is always better or that cheaper ones are useless, but it does mean quality, formulation, and context matter.
Have you ever looked into whether the supplements you’re taking are in forms your body can actually absorb and use effectively?
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Before You Buy Another Supplement, Read This
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