Memodyne Supplement Facts: 6 Numbers on the Panel Explained

A Supplement Facts panel looks dense, but it works like a small spreadsheet. Each row is one ingredient. Each number tells you how much, how that compares with a daily target, or whether a target exists at all.

When you know which six numbers carry the story, the rest of the panel falls into place. The checks below take them in order, and each one says what the number means and what it does not.

We retyped the panel from the label image. If your bottle differs from our retyped panel, trust the bottle.

The panel gives the serving size as one capsule and the servings per container as 30. So every amount on the panel is the amount in a single capsule, and a bottle lasts 30 days at the label dose.

That sounds obvious, yet it is the number people most often miss. If a page quotes an amount “per bottle” or “per day” without saying so, divide by the serving count before you compare it with the panel.

Niacin is vitamin B3. The panel lists 7.5 mg NE, and NE stands for niacin equivalents, a unit that counts niacin from all sources. The Daily Value for niacin is 16 mg, so 7.5 out of 16 comes to about 47%.

Adult men need about 16 mg NE a day and adult women about 14 mg NE (NIH ODS, Niacin). One capsule therefore covers roughly half of a day’s need. That is the one line on the panel where the amount is close to a normal daily target.

If you already take a multivitamin or a B-complex, add up the niacin on both labels. The upper limit from supplements is 35 mg a day, and flushing tends to start near 30 mg of nicotinic acid.

The panel lists 18 mg of calcium as calcium carbonate and 1.5% of the Daily Value. Adults need 1,000 to 1,200 mg a day, mostly from food (NIH ODS, Calcium).

So the calcium line is a trace. It is under 2% of a day’s need, and it will not change your bones. The form is calcium carbonate, which is also used in many antacids.

Read this line as a filler-sized extra, not a feature. We say that plainly, since calcium is the line a buyer might expect to matter and it does not.

The panel has two arginine lines: 200 mg of L-arginine base and 200 mg of L-arginine AKG 2:1 Extract. Added together, they print 400 mg. AKG stands for alpha-ketoglutarate, a carrier joined to arginine.

Part of the AKG line’s weight is the carrier, not arginine. So the arginine itself is a little under 400 mg. How far under is not stated.

For scale, a small memory trial in frail older adults with high blood pressure gave 3.3 g of arginine a day for 4 weeks (Mone et al., 2022). One capsule’s printed 400 mg is about 12% of that. Blood pressure trials used 4 to 24 g a day (Dong et al., 2011).

Same pattern. The panel lists 100 mg of L-citrulline HCl and 100 mg of L-citrulline malate. HCl is a hydrochloride salt. Malate is citrulline joined to malic acid. Added together, they print 200 mg, and part of that weight is carrier.

Citrulline matters to the formula because the body turns it into arginine, mostly in the kidneys. In healthy volunteers it raised blood arginine more efficiently than the same amount of arginine (Schwedhelm et al., 2008).

Trials of citrulline used gram doses, which means 1,000 mg or more a day (Khalaf et al., 2019). One capsule holds at most a fifth of the smallest gram dose.

Beta-alanine is an amino acid sold for exercise. The panel prints 40 mg. Sports studies used 4 to 6 g a day, so 40 mg is about 1% of 4 g (Trexler et al., ISSN 2015).

Tingling skin is the side effect people know from sports doses. At 40 mg, it is unlikely. Unlikely is not impossible, so note any new feeling and tell your doctor.

One more detail. The brand’s own ingredient graphic names six items and leaves beta-alanine out, while the panel prints it. We follow the label and say it lists seven lines.

On the bottle, the amino acid lines carry a double asterisk. It means no Daily Value has been set. Federal rules require each ingredient and its amount, and a symbol for anything without a Daily Value (21 CFR 101.36).

A blank %DV does not mean an ingredient is unsafe or useless. It only means there is no daily target to compare it with. In our retyped panel the same mark is shown as a dagger.

They do not tell you whether the capsule helps memory. Every amino acid amount is far below the doses used in studies, and no study of Memodyne has been published. A transparent label makes the product easy to check. It does not make the product proven.

Our view: six numbers carry this label, and only one of them, niacin, sits near a normal daily need. The rest are small amino acid amounts that echo ingredients sold in blood-flow and workout products.

That is not a flaw to hide. It is a fact to weigh. The label is clear and complete, and the evidence for the formula is thin. Hold both in your head, and bring the bottle to your doctor if you take any medicine.

Last updated October 29, 2026