Supplement safety
Hidden Drugs in Male Supplements: What the FDA Keeps Finding
The FDA keeps finding prescription drugs hidden in sexual enhancement supplements. In a May 29, 2026 notice, its lab found sildenafil and tadalafil in X10, unlisted on the label. With nitrate heart medicines, those drugs can drop blood pressure to dangerous levels. No lab test of SodaPeak for hidden drugs has been published.
Written by the SodaPeak editorial teamUpdated · 9 min read
The problem
What are hidden drugs in male supplements?
They are prescription drug ingredients put into a product sold as a dietary supplement, without being listed on the label. The National Center for Complementary and Integrative Health (NCCIH) warns that some products sold for sexual enhancement contain prescription drugs that are not allowed in supplements (NCCIH: Using supplements wisely).
The buyer thinks he is taking herbs. He may in fact be taking an erection drug at an unknown dose, and his doctor cannot plan around it.
This matters most for men with heart disease, high blood pressure or diabetes. Health problems such as clogged arteries and diabetes can show up as erection trouble, according to the NIH's kidney and urology institute (NIDDK) (NIDDK: ED symptoms & causes).
A recent case
What did the FDA find in the X10 supplement?
The FDA's lab found sildenafil and tadalafil in X10, a product sold as a natural enhancement supplement. Neither drug was on the label. The FDA notice, dated May 29, 2026, told people not to buy or use it (FDA: X10 hidden sildenafil/tadalafil).
| Product type | Sold online as a "sexual enhancement" supplement |
|---|---|
| Hidden drug 1 | Sildenafil, the active ingredient in Viagra |
| Hidden drug 2 | Tadalafil, the active ingredient in Cialis |
| Listed on the label? | No |
| Main danger named | Interaction with nitrates, which can lower blood pressure to dangerous levels |
| FDA advice | Do not buy or use it; report problems to MedWatch |
Two drugs in one capsule means the effects, and the risks, of two prescription medicines at once.
Why it is dangerous
Why are hidden sildenafil and tadalafil risky with nitrates?
Nitrates and these drugs both widen blood vessels, so together they can make blood pressure fall too far. The FDA's X10 notice says this can happen with nitrates such as nitroglycerin (FDA: X10 hidden sildenafil/tadalafil).
Doctors prescribe nitrates for chest pain from heart disease. The FDA notes that men with diabetes, high blood pressure, high cholesterol or heart disease often take them (FDA: X10 hidden sildenafil/tadalafil). A doctor checks for nitrates before prescribing an erection drug; a hidden drug skips that check.
Do not take any sexual enhancement product if you use nitroglycerin or another nitrate. If you feel faint, dizzy or have chest pain after taking a supplement, call 911.
Look it up
How do you search the FDA health fraud database?
The FDA's Health Fraud Product Database is a free public list of products named in FDA warning letters, recalls and public notices. Many entries are sexual enhancement products: capsules, honey packets and even chocolate with hidden sildenafil, tadalafil or flibanserin (FDA: Health Fraud Product Database).
Open the database
Search the FDA website for "Health Fraud Product Database".
Search the exact name
Type the product name as printed on the bottle.
Filter by category
Choose the sexual enhancement category to see how common hidden drugs are.
Read the notice
Each entry links to the warning letter or notice with the drug found.
The FDA says the database includes only a small fraction of hazardous products sold (FDA: Health Fraud Product Database). A product missing from the list has simply not been tested or named yet.
Spot the signs
What red flags suggest a supplement may hide a drug?
The biggest red flag is a promise of fast, drug-like sexual results from an "all natural" product. The FDA's tip-off list says sexual performance is a common target and that some "all natural" products hide prescription drugs (FDA: 6 tip-offs to rip-offs).
Works in minutes
Herbs do not act like a prescription pill. A product that claims to work within an hour deserves suspicion.
Fixes everything
One product that claims to help sex, energy, weight and mood at once fits an FDA tip-off (FDA: 6 tip-offs to rip-offs).
Only testimonials
The FDA notes personal stories are easy to make up. Look for real studies instead.
Secret formula
Talk of a secret ingredient or a breakthrough the doctors hide is a classic sign of fraud.
Single-dose packets
Many database entries are single capsules, honey sachets or chocolate, not bottles (FDA: Health Fraud Product Database).
No company address
FDA rules require the firm's name and place of business on a supplement label (FDA: Q&A on dietary supplements).
Our product
Has SodaPeak been tested for hidden drugs?
No lab test of SodaPeak for hidden drugs has been published. That is the honest answer. We have no result showing it contains a drug, and no result showing it does not.
The bottle lists eight herbs and other ingredients in one 1,200 mg blend, and its only claim is "Supports healthy muscle". It does not promise sexual results. The label names only Vitalifes, with no address. The lot code SOD-26/SO-6932 and certificate reference SOD-6932-26-SO are seller reference codes, not lab proof.
One ingredient deserves a note. Operation Supplement Safety, a Department of Defense program, reports that some tongkat ali products were found with heavy metals or with sildenafil added (OPSS: Tongkat ali). That finding was about other products, not SodaPeak. It is a reason to ask for independent testing.
See the testing and quality page and the tongkat ali ingredient page for more.
Take action
How do you report a supplement that made you sick?
Stop taking it, get medical care if you need it, and then report it to the FDA's MedWatch program. The FDA asks people to report side effects from supplements this way (FDA 101: Dietary supplements).
Stop and seek care
Keep the bottle. Tell the doctor exactly what you took and when.
File with MedWatch
Report online. Include the product name, lot code and where you bought it.
Tell the seller
For an eBay order, message the seller and keep a copy of every message.
Bottom line
What is the safest way to deal with erection problems?
See a doctor first, because erection trouble can be an early sign of heart disease, diabetes or low testosterone. MedlinePlus, from the National Library of Medicine, says to tell your doctor about it for that reason (MedlinePlus: Erectile dysfunction).
Real erection medicines exist, and they are safe for many men when a doctor checks the rest of your health and your other pills. Many common drugs, including some blood pressure medicines and antidepressants, can cause erection problems on their own (NIDDK: ED symptoms & causes). A doctor can spot that too.
SodaPeak is a dietary supplement, not an erection treatment. If you choose to try it, read the side effects overview and check your medicines first. Read why "all natural" does not mean safe in the guide to choosing a men's supplement.
FAQ
Hidden drugs in supplements: common questions
What drugs are hidden in male enhancement pills?
The FDA most often finds sildenafil and tadalafil, the active drugs in Viagra and Cialis, in sexual enhancement products. Its Health Fraud Product Database also lists products with hidden flibanserin. These drugs are not listed on the labels, so buyers cannot see the dose or the risks.
What is X10 and why did the FDA warn about it?
X10 is a product sold as a natural enhancement supplement. In a May 29, 2026 notice, the FDA said its lab found sildenafil and tadalafil in it, unlisted on the label. The FDA told people not to buy or use it because of dangerous interactions with nitrate medicines.
Can a supplement with hidden sildenafil be dangerous?
Yes, especially for men who take nitrates such as nitroglycerin for chest pain. The FDA warns that together they can lower blood pressure to dangerous levels. Men with heart disease, diabetes or high blood pressure are most at risk, and the hidden dose is unknown.
Why are so many sexual enhancement supplements on FDA lists?
Because FDA labs keep finding hidden sildenafil, tadalafil or flibanserin in them. The FDA Health Fraud Product Database has many sexual enhancement entries, from capsules to honey and chocolate. The FDA says the list covers only a small fraction of risky products actually sold.
How do I check if a supplement is on the FDA warning list?
Search the product's exact name in the FDA Health Fraud Product Database, which lists products named in warning letters, recalls and notices. The FDA says the list covers only a small fraction of risky products, so a missing name is not proof a product is safe.
Are all natural sexual enhancement supplements safe?
No. The FDA warns that some products sold as all natural have hidden prescription drugs, and NCCIH says natural does not always mean safe. Fast, drug-like promises are a red flag. A doctor visit is the safest first step for erection problems.
Who wrote this
Written and reviewed by
Plain-language pages built from the bottle label, the order page and linked public health sources such as NIH, FDA and CDC.
Last updated . Read our editorial standards and how we check reviews. This website is run by a U.S. stocking partner for SodaPeak, not by the manufacturer. We earn money when you buy through our order links.
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