A clinical trial lasting 12 weeks answers a 12 week question, and most people reading the write-up plan to take the product for years. The FAITH trial shows the contrast: 65 firefighters took 300 mg aged garlic extract plus 30 mg coenzyme Q10 daily for 12 months, with pulse wave velocity falling 1.21 m/s against placebo. Longer protocols exist. They are just rare.
Why a clinical trial usually stops at 12 weeks
Recruiting, screening, supplying and following participants costs money every month the study runs. Twelve weeks is short enough to finish inside one funding cycle and long enough to show a change in a blood marker.
Retention drives the number too. Every extra month loses participants, and a study that ends with half its starters answers nothing. Researchers pick the shortest window that can still detect a signal, then report what they found. Duration is a compromise, not a claim about how long effects last.
What carries across from the study to you
Three things. Dose, duration and the exact preparation. The FAITH protocol used 300 mg aged garlic extract plus 30 mg CoQ10, four tablets daily, for a year. Our aged garlic gummies supply CoQ10 ubiquinol at 60 mg per serving, with extract standardised for S-allyl cysteine, so the numbers don't line up one to one. Read that as information, not as equivalence.
Then apply the ordinary caveat. A study tests an ingredient or a combination, never your finished bottle and never your body. The useful transfer is the shape of the protocol: what was taken, how much, and for how long.
Your horizon will run longer than the clinical data
Picture the actual timeline. You start a 45 day bottle, reorder four times, and you are at six months with nobody having studied that. A year passes and still nobody has. Ten years is past every published window.
That gap doesn't make long term use wrong. It makes it untested, and those are different things. Saying so plainly is more useful than implying the evidence stretches further than it does.
Build the review into the habit
Pick a date. Every six months, ask what you are still taking and whether you can name a reason. Supplements accumulate quietly, and a bottle bought for a specific goal keeps getting reordered long after the goal stopped mattering. Cancelling is easier than it sounds, since you can cancel any time with no minimum orders and no fee.
Buy the 90 count if aged garlic is genuinely part of your routine, because the 45 day supply at 2 gummies a day costs less per day than three small bottles. Skip the value size if you are still deciding. A cheap bottle you finish beats a big one you abandon at half full.
The habit that survives ten years won't be the one with the longest study attached. It will be the one you kept, which makes the review as important as the dose. Put the date in your calendar while you are still thinking about it.
Three reviews in, you will know more about your own routine than any trial will tell you. That is the part no protocol replaces.
Cost per day is the same arithmetic. Divide the bottle price by the supply days rather than comparing sticker prices, because a 90 count at $26.99 over 45 days is 60 cents a day while a 60 count at $21.99 over 30 days is 73 cents. Two numbers, one obvious winner, and neither of them comes from a published protocol.
Frequently asked questions
Why do trials run so short?Show answerHide answer
Cost and retention. Twelve weeks is already expensive for most funders.
Does that make long term use unreliable?Show answerHide answer
It makes it untested, which is different. State it honestly rather than avoiding it.
What is the sensible approach?Show answerHide answer
Review periodically whether anything you take is still doing anything.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
