Ingredient 3 of 5
Rhodiola Rosea in Memopezil: 100 mg of a Little-Proven Root
Memopezil holds 100 mg of rhodiola rosea extract standardized to 3% salidroside, about 10% of a serving. NCCIH says there is not enough reliable evidence to know whether rhodiola helps with any health purpose. Dizziness, headache and insomnia are possible, and a losartan interaction has been reported.
Written by the Memopezil label deskUpdated
§ 01What it is
What is rhodiola rosea, and what is it doing in Memopezil?
Rhodiola rosea is a root from cold, high places, sold for stress and tiredness. The label gives it 100 mg.
The line reads "Rhodiola Rosea Extract (3% Salidroside)" at 100 mg per serving. Salidroside is one of the plant's marker compounds. A 3% standard means about 3 mg of it in 100 mg of extract, if the percent is by weight. (Memopezil sales page)
The sales page says something slightly different. It lists "Rhodiola Rosea Root Powder," which is the ground root, not an extract. It also claims rhodiola helps "combat mental fatigue and increases the brain's resistance to stress." We quote that; we do not repeat it as fact. (Memopezil sales page)
The label is the printed document, so we treat the extract as the formula. Root powder and extract are not the same strength, and a reader should know the two documents use different words.
§ 02At a glance
Rhodiola facts, next to the research
| Name on the label | Rhodiola Rosea Extract (3% Salidroside) |
|---|---|
| What it is | Rhodiola rosea root |
| Place on the label | Line 3 of 5, 10% of the 1,030 mg |
| Amount per serving (2 capsules) | 100 mg per serving |
| Amount used in research | No verified dose found |
| Strength of evidence | Low-quality, contradictory |
| Marketed or traditional use | Arctic root used against fatigue |
| Main caution | Dizziness, headache, insomnia, dry mouth; losartan interaction reported. |
We found no verified daily dose tied to a memory result, so the table says so. Rhodiola trials used different extracts and different doses, which is part of why the research is hard to read.
§ 03The evidence
Does rhodiola help memory or mental fatigue?
NCCIH says there is not enough reliable evidence to say whether it is useful for any health purpose.
That is the plainest statement from a public health source. NCCIH adds that most human research on rhodiola is of low-to-moderate quality. (NCCIH, Rhodiola)
The reviews tell a similar story. A 2012 review of 11 studies found that three of five randomized trials on mental fatigue reported rhodiola was effective. Every included study had a high risk of bias or reporting flaws, and the authors called the research contradictory and asked for a rigorous trial. (Ishaque 2012, Rhodiola review)
A 2011 review of 11 placebo-controlled trials, four of them on mental performance, found that rhodiola may have beneficial effects on physical and mental performance. It also noted a lack of independent replications, meaning other teams had not repeated the findings. Only a few mild adverse events were reported. (Hung 2011, Rhodiola trials review)
Read together, the reviews lean slightly positive and stay cautious. The right takeaway is "maybe, and unproven," not "works" and not "does nothing."
§ 04Salidroside vs rosavin
Rosavin vs salidroside: what the 3% tells you
Rhodiola products are often standardized to one or both of two compounds, rosavins and salidroside. Memopezil's label names only salidroside. That is a fair choice, but it leaves out rosavins, so you cannot compare it to a product that lists them.
| Question | Memopezil's answer |
|---|---|
| Extract or powder? | Extract on the label; "root powder" on the sales page |
| Amount per serving | 100 mg, printed |
| Marker compound named | Salidroside, 3% |
| Rosavin level | Not printed |
| Verified studied dose | None found in our sources |
Because no marker level has been tied to a memory outcome in the sources we found, the percent does not tell you whether the capsule will do anything. It tells you the extract was measured for one compound.
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See packs§ 05Safety
Rhodiola side effects and medicine interactions
NCCIH says rhodiola is possibly safe for up to 12 weeks. Side effects may include dizziness, headache, insomnia and dry mouth or extra saliva. (NCCIH, Rhodiola)
Insomnia matters most for the timing of the capsules. If you notice poorer sleep, take them earlier in the day and tell your clinician. Ginseng, another line in the formula, also lists insomnia as its most common side effect. (NCCIH, Asian Ginseng)
- An interaction with losartan, a blood pressure drug, has been reported. If you take it, ask your doctor first. (NCCIH, Rhodiola)
- Little is known about use in pregnancy or breastfeeding, and the label asks pregnant or nursing mothers to consult a physician.
- Twelve weeks is the length NCCIH calls possibly safe; it does not speak to longer use.
§ 06A fair verdict
How to weigh the rhodiola line
Rhodiola is the least proven of the plant extracts here, and NCCIH's wording is blunt about that. It is also a small share of the capsule, at 10%. The strongest reason to care about it is not benefit but side effects: sleep, dizziness and the losartan note.
A quick test for yourself: if you already sleep badly, rhodiola and ginseng together are the two lines most likely to make it worse. That is worth a conversation with your clinician before a first bottle, not after.
If you are curious how it pairs with the next line, ginseng, read Panax ginseng. Both raise insomnia as a concern, so together they deserve attention. The calming amino acid, L-theanine, is the next page in label order.
FAQ
Rhodiola in Memopezil: your questions
What does rhodiola do in a memory supplement?
It is sold for stress and fatigue, so makers often add it to focus products. Whether it helps memory is unproven: NCCIH says there is not enough reliable evidence for any health purpose, and reviews describe the research as contradictory. (NCCIH, Rhodiola) (Ishaque 2012, Rhodiola review)
Can rhodiola cause insomnia?
Yes. NCCIH lists insomnia among possible side effects, with dizziness, headache and dry mouth. If sleep worsens after you start Memopezil, move the capsules earlier, and speak to your clinician if it continues. The label gives no time of day. (NCCIH, Rhodiola)
Is rhodiola safe with blood pressure medicine?
Be careful. NCCIH says an interaction between rhodiola and losartan has been reported. If you take losartan or another blood pressure medicine, ask your doctor or pharmacist before using Memopezil, and keep taking your prescribed dose. (NCCIH, Rhodiola)
Is rhodiola root powder the same as rhodiola extract?
No. Powder is the ground root. An extract is concentrated, often to a marker compound. The sales page says root powder; the label says extract with 3% salidroside. The label is the printed document, so we follow it. (Memopezil sales page)
How long can you safely take rhodiola?
NCCIH calls it possibly safe for up to 12 weeks. It gives no finding for longer use. The label sets no limit on how long to take the capsules, so a review with your clinician at about 30 days is sensible. (NCCIH, Rhodiola)
Do rhodiola and ginseng work together?
No trial of the pair in this formula exists in our sources. Both are linked to insomnia, so together they may make sleep worse for some people. The idea that they boost each other is a sales idea, not a finding. (NCCIH, Asian Ginseng) (NCCIH, Rhodiola)
Is rhodiola good for brain fog?
Not shown. The 2012 review of rhodiola for mental fatigue was cautious, and brain fog has many other causes, such as poor sleep, low mood or medicine side effects. Persistent fog is worth a medical check before a supplement. (Ishaque 2012, Rhodiola review) (NCCIH, 7 Things on Supplements and Alzheimer's)
Who wrote this
Written and reviewed by
Pages built from the label, the sales page and linked NIH, FDA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by Memopezilmind, a Memopezil U.S. stocking partner, not by the manufacturer or the distributor. We earn money when you buy through our order links.
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