Official product information
TheyaVue Side Effects and Safety
No warnings panel was supplied for this product. Here is what the federal pages report for the rows that matter at the directed two-capsule dose.
Written and reviewed by the TheyaVue Editorial Desk · Last updated September 23, 2026
Quick answer
No warnings panel was supplied for TheyaVue, which is a gap rather than a reassurance. At the directed two capsules a day, niacin reaches 40 mg NE against a 35 mg adult upper limit and zinc reaches 32 mg against a 40 mg limit that counts every other source. The vitamin A is beta-carotene, the ingredient AREDS2 removed over lung cancer risk in smokers.
The honest section
No warnings panel was supplied, and that is the first thing to say
No warnings panel was supplied for this product. Not a caution naming pregnancy or a medical condition, not a keep-out-of-reach line, not an interaction note and not a storage instruction. Our own record of the label says of it only: not published. No caution or interaction line was supplied. No storage line, no expiry date and no manufacturer were supplied either.
Read that as a gap rather than as a reassurance. A label with no published warnings is not a label with nothing to warn about; it is a label we cannot read to you. So this page is built out of the panel rows instead, which is possible because fifteen of the twenty-five ingredients are declared individually with an amount and a %DV. The list below is therefore general. It is not this label speaking.
- Adults 18 and over. Follow the bottle when it arrives.
- At the directed two capsules a day, niacin reaches 40 mg NE against a 35 mg adult upper limit and zinc reaches 32 mg against a 40 mg upper limit. Add anything else you take before you decide.
- If you smoke or used to, raise the beta-carotene row with a clinician first.
- If you are pregnant, breastfeeding, taking prescription medicine or managing a health condition, ask a clinician before starting any supplement.
- NEI: a dilated eye exam is the only way to check for many eye diseases early on. No capsule replaces one.
The arithmetic
What the panel becomes at two capsules a day
Every percentage on this panel describes one capsule. The directions ask for two.
| Row | At one capsule | At the directed two | Reference figure |
|---|---|---|---|
| Vitamin B3 (niacin) | 20 mg NE | 40 mg NE | Upper limit 35 mg — over it |
| Zinc (as zinc oxide) | 16 mg | 32 mg | Upper limit 40 mg, all sources |
| Vitamin A (as beta-carotene) | 50 mcg RAE | 100 mcg RAE | No upper limit set; AREDS2 removed it |
| Vitamin E (DL-alpha tocopherol acetate) | 10 mg | 20 mg | RDA 15 mg; supplement limit 1,000 mg |
| Proprietary Blend, ten ingredients | 240.5 mg | 481 mg | No individual amounts published |
Neither figure is dangerous on its face, and ODS sets upper limits with a margin in them. What matters is that one row is over and another is close, and that following this label’s own directions is what puts you there. The exercise then stops at the blend, where 481 mg a day is split ten ways by an unpublished formula, so ten of the twenty-five ingredients cannot be checked against anything.
The row that is over
Niacin: 40 mg NE against a 35 mg upper limit
Niacin is the row that crosses a line, and it crosses it by obedience rather than by excess. ODS: “Niacin (also called vitamin B3) helps turn the food you eat into the energy you need.” The adult RDA is 14 to 16 mg NE, so one capsule at 20 mg NE is already above a day’s requirement. At the directed two it is 40 mg NE against an adult upper limit of 35 mg.
Be proportionate. An upper limit is not a poisoning threshold; it is the highest daily intake at which no harm is expected across a population, with a margin built in. The effects ODS associates with high-dose niacin — nausea, heartburn, abdominal pain and, at much larger amounts, liver problems — belong to doses far above 40 mg. What is not proportionate is silence: this is a published federal line, the product crosses it at its own directed dose, and nothing on the label mentions it.
The row that is close
Zinc: 32 mg against a 40 mg limit that counts everything
Zinc gets close without crossing, and the detail that matters is how the limit is defined. ODS: “The daily upper limits for zinc include intakes from all sources - foods, beverages, supplements, and medications.” The 40 mg adult upper limit is not a per-product allowance; it is a ceiling for everything you swallow in a day, and this bottle takes 32 mg of it at the directed two capsules.
Eight milligrams of headroom is nothing at all if you also take a multivitamin or a zinc lozenge in the winter. The adult RDA is 11 mg for men and 8 mg for women, so 32 mg is already three to four times a day’s requirement. What too much looks like is published plainly. ODS: “Signs of too much zinc include nausea, dizziness, headaches, upset stomach, vomiting, and loss of appetite.” None of those is exotic and all are easy to attribute elsewhere, which is why the arithmetic is worth doing in advance rather than backwards from a symptom.
If you smoke or used to
Beta-carotene, and the ingredient AREDS2 removed
One safety note that belongs on the front of every eye supplement and is on almost none of them. AREDS2 removed beta-carotene from the original AREDS formula, because, in NEI’s words, “AREDS2 participants who were former smokers who took a formulation with beta-carotene had a higher incidence of lung cancer”, and its guidance is that current and former smokers should avoid the beta-carotene formula. This product’s vitamin A is beta-carotene. The amount is small — 50 mcg RAE a capsule, 5% of a day’s value — and the studies behind that warning used high-dose supplements. If you smoke or used to, this is the row to raise with a clinician before you start.
The federal sentences behind that are worth reading in their own words. NEI, on the trial: “AREDS2 participants who were former smokers who took a formulation with beta-carotene had a higher incidence of lung cancer.” And its guidance: “Current and former smokers should take the AREDS2 formula and avoid the AREDS formula with beta-carotene, which increases lung cancer risk.” ODS reports the same finding: “Several studies have shown that smokers, former smokers, and people exposed to asbestos who take high-dose beta-carotene supplements have a higher risk of lung cancer and death.”
Now hold that against this panel. The vitamin A here is beta-carotene at 50 mcg RAE a capsule, 100 mcg RAE at the directed two, a long way from the high-dose supplements in those studies, and ODS sets no upper limit for beta-carotene. The honest reading is not that this bottle carries the risk those trials measured. It is that it contains the ingredient those trials took out, with no warning printed anywhere on it.
Three more rows
Vitamin E, bilberry, and the three blend members worth naming
Vitamin E, and which form this is
The panel prints DL-alpha tocopherol acetate, and the prefix is not decoration. ODS gives the conversion: “1 mg vitamin E = 1 mg d-alpha-tocopherol (natural vitamin E) = 2 mg dl-alpha-tocopherol (synthetic vitamin E).” This is the synthetic form, the less potent of the two by weight. The amount is 10 mg a capsule and 20 mg at the directed two, against a 15 mg RDA and a supplement upper limit of 1,000 mg — unremarkable on safety, and a reminder to read the form.
Bilberry: fruit, not leaf
The panel specifies bilberry extract (fruit), and that word does safety work. NCCIH reports that bilberry fruit is considered safe in the amounts found in food, while bilberry leaves may be unsafe in high doses or over long periods. What the panel does not specify is standardisation, so the anthocyanin content is unknown.
Quercetin, rutin and grape seed: the conversation to have
Three of the ten blend members are the ones to name to a pharmacist if you take prescription medicine. Quercetin and rutin are closely related flavonoids from one species, and flavonoids are a routine interaction question. Grape seed extract is worth raising if you take an anticoagulant, and alpha lipoic acid belongs in the same sentence if you manage blood sugar. None has a published amount, so a pharmacist can tell you whether to watch for an interaction but not whether the amount here is enough to matter. Take the bottle to the counter rather than reciting ten names from memory.
Ask first, then act
Pregnancy, under-18s, and what to do if something happens
Two groups the label does not cover, and four steps for the day something goes wrong.
Adults 18 and over. That is the seller’s own age line and the only restriction published anywhere. If you are under 18 the answer is no. If you are pregnant or breastfeeding, ask a clinician first: no pregnancy statement was supplied in either direction, and an absent warning is not a clearance. The same applies to anyone taking prescription medicine.
The line that outranks everything else here
NEI: “A dilated eye exam is the only way to check for many eye diseases early on, when they’re easier to treat.” And the FDA, on unapproved eye products: “Unapproved drugs claiming to cure serious conditions may lead consumers to delay or abandon proven, safe treatments.”
Stop taking it
Before working out whether the capsule was responsible. That question is far easier to answer from a standing start.
Write down what happened and when you started
What you noticed, the date of your first capsule, and whether you were taking one a day or two.
Keep the bottle and speak to a clinician
The panel and whatever lot code is on it are the only identifying information that exists for what you took. Take the bottle to the appointment.
Report a serious problem to the FDA
The FDA asks consumers and clinicians to report serious problems with dietary supplements, and its consumer information page explains how. Tell the sales desk on +1 (315) 724-2018 as well, with your order ID.
Questions
TheyaVue FAQ: safety and side effects questions
Is TheyaVue safe?
No warnings panel was supplied for this product, which is a gap rather than a reassurance. The two rows worth attention are niacin, which reaches 40 mg NE at the directed dose against a 35 mg adult upper limit, and zinc, which reaches 32 mg against a 40 mg limit.
Are there side effects?
None are published for this product. The federal pages give the general picture: zinc in excess causes nausea, dizziness and headaches; high-dose niacin causes flushing and digestive effects; bilberry fruit is considered safe in food amounts while bilberry leaves may not be, and this panel specifies fruit.
What happens if I go over the niacin upper limit?
ODS sets the adult upper limit at 35 mg and reports that high doses of niacin can cause nausea, heartburn, abdominal pain and liver problems. Those effects are associated with amounts far larger than 40 mg. The limit is still a published line, and this product crosses it by following its own directions.
Is 32 mg of zinc a problem?
It is under the 40 mg adult upper limit, but ODS is explicit that the limit counts “intakes from all sources — foods, beverages, supplements, and medications”. Signs of too much zinc include nausea, dizziness, headaches, upset stomach, vomiting and loss of appetite.
I smoke. Should I take this?
Ask a clinician first, and show them the beta-carotene row. NEI: “Current and former smokers should take the AREDS2 formula and avoid the AREDS formula with beta-carotene, which increases lung cancer risk.” ODS reports the same finding for high-dose beta-carotene supplements. The amount here is small, which is a reason to ask rather than a reason not to.
Can I take it with prescription medicine?
Tell whoever prescribes for you. The blend contains quercetin, rutin and grape seed extract, all of which are worth a pharmacist’s attention alongside prescription medicine, and the zinc figure matters if you take anything else containing it.
Can I take it if I am pregnant or breastfeeding?
Ask a clinician first. No pregnancy statement was supplied either way, and the product is for adults 18 and over.
Can under-18s take it?
No. The product is for adults 18 and over.
References
Sources for this page
- NIH Office of Dietary Supplements. Niacin. ods.od.nih.gov. Accessed September 23, 2026.
- NIH Office of Dietary Supplements. Zinc. ods.od.nih.gov. Accessed September 23, 2026.
- NIH Office of Dietary Supplements. Vitamin A and Carotenoids. ods.od.nih.gov. Accessed September 23, 2026.
- National Eye Institute, NIH. About the Age-Related Eye Disease Studies (AREDS and AREDS2). www.nei.nih.gov. Accessed September 23, 2026.
- U.S. Food and Drug Administration. Information for Consumers on Using Dietary Supplements. www.fda.gov. Accessed September 23, 2026.
Read the panel before you order TheyaVue
Sixty vegetable capsules a bottle, taken as the label directs — one capsule twice daily, 20 to 30 minutes before a meal with an 8 oz glass of water — which makes a bottle thirty days rather than sixty. No pack price was supplied to us, so read the figure on the sales page before you pay. Sixty days from the date of purchase to change your mind. Sales line +1 (315) 724-2018.
Price shown at checkout · 60-day window from purchase · ships from inside the US · sales line +1 (315) 724-2018