Supplements and medicines
Supplements and Medicines: Interactions to Ask About
Supplement and medication interactions are real, because herbs and nutrients act on the same body systems that medicines do. Quietum Plus lists 13 herbs plus vitamins A and B, zinc and two amino acids, with no amounts printed. Blood thinners, blood pressure, Parkinson's and thyroid medicines need the most care. Show the bottle to your doctor or pharmacist first.
Written by the Quietum Plus label deskUpdated
01The basics
Can herbal supplements interact with prescription drugs?
Yes, herbal supplements can interact with prescription drugs. An herb can make a medicine stronger, weaker or harder for the liver to clear, and some herbs act on the same target as the drug (NCCIH, Using Dietary Supplements Wisely).
Quietum Plus is a mix of 13 herbs and roots, vitamins A and B, zinc, L-tyrosine and L-arginine (Quietum Plus sales page). Every one is a possible player in a medicine list. The sales page prints no amounts, so nobody can say how strong any single effect would be.
The sales page itself asks buyers to "show a bottle of this supplement to your doctor before you take it" (Quietum Plus sales page, claims). That advice is sound, and this guide gives you the questions to bring.
02Blood thinners
Which supplements affect blood thinners?
Dong quai and ginger are the two Quietum Plus ingredients with reports of bleeding alongside warfarin (Milic et al., Warfarin-Herb Interactions). Both appear on the sales page, on tiles 3 and 4.
Warfarin is the best-known case, but the same caution is sensible for any medicine that slows clotting. A doctor may want to check your clotting numbers more often if you add an herb that nudges them.
Do not guess. If you take a blood thinner, ask before the first capsule, and report any unusual bruising, nosebleeds or dark stools right away.
03Blood pressure and heart
Can supplements affect blood pressure medicines?
Yes. L-arginine, one of the two amino acids on tile 9, can lower blood pressure, and Mayo Clinic lists cautions with nitrates, sildenafil-type drugs and blood pressure medicines (Mayo Clinic, L-arginine). It also has a warning for people after a heart attack.
The reason is simple. A medicine that lowers pressure plus a supplement that lowers it can add up to dizziness or fainting. The sum matters more than either part.
Tell your doctor about every heart, blood pressure and erectile dysfunction medicine you take, then show the bottle.
04Ingredient by medicine
Which Quietum Plus ingredients matter with which medicines?
Eight ingredients or pairs on the formula carry the clearest medicine questions. The table lists each one, the medicine type to ask about, why it matters and the source.
It is a short list, not a full one. Other ingredients, such as ashwagandha and mucuna, have their own cautions in the profiles on the ingredients page.
| Ingredient | Ask about | Why |
|---|---|---|
| Dong quai, ginger | Warfarin and other blood thinners | Case reports of serious bleeding when these herbs were taken with warfarin. (Milic et al., Warfarin-Herb Interactions) (NCCIH, Ginger) |
| Mucuna pruriens | Parkinson's medicine (levodopa) | Mucuna is a natural source of levodopa; in a trial it gave more levodopa exposure than a tablet. (Boonmongkol et al., Mucuna RCT) |
| L-arginine | Nitrates, sildenafil, blood pressure and diabetes medicines | May lower blood pressure too far with these, and may lower blood sugar; not advised after a recent heart attack. (Mayo Clinic, L-arginine) |
| Ashwagandha | Thyroid, diabetes and blood pressure medicines, sedatives, immunosuppressants, anti-seizure drugs | Can change thyroid levels, has liver injury reports and may add to these medicines. (NIH ODS, Ashwagandha) (NCCIH, Ashwagandha) |
| Piperine | Medicines with narrow dosing, such as theophylline or propranolol | Raised blood levels of both in a small study by slowing how the body clears them. (Bano et al., Piperine and Propranolol) |
| Vitamin A | Retinoid medicines (such as acitretin), other vitamin A products, pregnancy | Preformed vitamin A has an upper limit of 3,000 mcg RAE a day; too much can cause birth defects. (NIH ODS, Vitamin A) |
| Zinc | Quinolone and tetracycline antibiotics, other zinc products | Zinc binds these antibiotics; space them apart. 50 mg a day or more can lower copper. (NIH ODS, Zinc) |
| Vitamin B (unnamed) | Phenytoin, phenobarbital, metformin, acid reducers | High B6 can lower some seizure-medicine levels; metformin and acid reducers lower B12 absorption. (NIH ODS, Vitamin B6) (NIH ODS, Vitamin B12) |
05Medicines and ringing
Which medicines can cause ringing in the ears?
Several kinds of medicine can cause ringing in the ears, including some antibiotics, water pills, cancer drugs and high doses of aspirin (Mayo Clinic, Tinnitus). The NHS also lists medicines among the common causes (NHS, Tinnitus).
Often the ringing fades when the dose is lowered or the drug is changed. That decision belongs to your prescriber. Never stop a medicine on your own because of ringing.
If ringing began after a new medicine, write down the name and the start date. That note helps a doctor or pharmacist find the link quickly.
Quietum Plus: from $49 a bottle60 capsules a bottle · 2, 3 or 6 bottles · 60-day money-back guarantee
See packs06Pharmacist
Should I tell my pharmacist about supplements?
Yes, tell your pharmacist about every supplement, even ones you take now and then. A pharmacist sees your full medicine list and can spot a clash that no one else would catch.
Many people leave supplements off the list because they are not prescribed. That is the gap that causes trouble.
Take the bottle itself. The name, the 18 ingredients on the sales page and any label panel on your bottle tell the pharmacist more than your memory can.
07Quick check
How do I bring a supplement to a doctor visit?
Bring the bottle, a list of your medicines and the five answers below. The check sorts out which group you are in before you go.
- Write the date you plan to start and the amount your label says.
- List every prescription, over-the-counter drug and supplement.
- Ask which ingredients matter with your medicines, and what to watch for.
08Before surgery
Should I stop supplements before surgery?
Ask your surgeon and anesthesia team, because the answer depends on the supplement and the operation. Herbs that affect bleeding or blood pressure are the usual worry.
Give them the full list well ahead of the date, with the Quietum Plus bottle in hand. They may ask you to pause the capsules for a set number of days.
Follow their instructions exactly, and do not change prescribed medicines unless they tell you to.
09Stacking
Can vitamin A and zinc add up with other products?
Yes. Quietum Plus lists vitamin A and zinc, and no amount is printed. Preformed vitamin A has an upper limit of 3,000 mcg RAE a day for adults, and too much in pregnancy can cause birth defects (NIH ODS, Vitamin A). Zinc has an upper limit of 40 mg a day, and long use of high amounts can lower copper (NIH ODS, Zinc).
A multivitamin or a cold remedy may add more of each. Check those labels before you stack products.
Do not stop, skip or change any prescribed medicine because you started a supplement. See side effects and who it is for for more.
10FAQ
Supplements and medicines questions
Can herbal supplements interact with prescription drugs?
Yes, herbal supplements can change how prescription drugs work. An herb may raise or lower a drug's level in the blood or act on the same target (NCCIH, Using Dietary Supplements Wisely). Because Quietum Plus prints no amounts, show the bottle to your doctor or pharmacist before you start.
Which medicines can cause ringing in the ears?
Some antibiotics, water pills, cancer drugs and high doses of aspirin can cause ringing in the ears (Mayo Clinic, Tinnitus). Ask your prescriber about the medicines you take. Never stop a prescribed medicine on your own because of ringing; ask first.
Should I tell my pharmacist about supplements?
Yes, tell your pharmacist about every supplement you take, including ones you use only now and then. The pharmacist sees your whole medicine list and can flag a clash early. Bring the bottle so the full ingredient list is on hand.
Which supplements affect blood thinners?
Dong quai and ginger, both in Quietum Plus, have case reports of bleeding with warfarin (Milic et al., Warfarin-Herb Interactions). Vitamin-type products can matter as well. If you take any blood thinner, ask your prescriber before starting and report unusual bruising or bleeding promptly.
Can supplements affect blood pressure medicines?
Yes. L-arginine, an amino acid in Quietum Plus, can lower blood pressure and has cautions with nitrates and sildenafil-type drugs (Mayo Clinic, L-arginine). Combined with a pressure medicine it may cause dizziness. Check with your doctor first, and tell them about every heart medicine.
How do I bring a supplement to a doctor visit?
Bring the bottle itself, plus a list of your prescriptions, over-the-counter drugs and other supplements. The sales page says to "show a bottle of this supplement to your doctor before you take it" (Quietum Plus sales page, claims). Write down the dose your label directs.
Should I stop supplements before surgery?
Ask your surgeon and anesthesia team, because the right answer depends on the supplement and the operation. Herbs that affect bleeding or blood pressure are the usual concern. Give them the full list well before the date and follow their instructions exactly.
11Who wrote this
Written and reviewed by
Pages built from the bottle images, the sales page and linked NIH, NIDCD, FDA, FTC and peer-reviewed sources.
Last updated . Read our editorial standards and how we check reviews. This website is run by Goquietumplus, a USA Authorized Quietum Plus Retailer, not by the manufacturer. We earn money when you buy through our order links.
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