How to compare supplement prices per gram
A worked USD price comparison using ingredient amount, servings per container and a consistent checkout price.
US label & cost guides
Make the numbers mean something.
Practical, source-linked guides to ingredient quantities, serving sizes and USD cost comparisons. Educational label analysis, not personalized medical advice.
Magnesium price comparison: use elemental magnesium
Compare magnesium cost per gram using the elemental amount on Supplement Facts, while keeping citrate, glycinate and other forms distinct.
Fish oil cost: compare EPA and DHA, not just oil weight
Learn a consistent way to calculate USD per gram of declared EPA plus DHA without confusing the amount with total fish oil.
Vitamin D labels: mcg, IU and price comparisons
Read vitamin D microgram and IU declarations without adding equivalent amounts twice or applying a conversion to other nutrients.
Serving size vs. capsule count: avoid a false bargain
Distinguish capsules, label servings and ingredient amounts before comparing supplement costs or declarations.
Why an undisclosed blend cannot have an exact ingredient price
Avoid inventing individual ingredient quantities or double-counting parent totals when comparing supplement blends.