Allicin Side Effects: What Reddit Users Report
About this entry (Allicin (Allimed / Allimax)): Stabilized allicin, a sulfur compound from crushed garlic.
24 of 425 Reddit owner comments about Allicin (6%) describe an unwanted effect. The effects people mention most are gas or bloating. These are self-reports from Reddit IBS and gut communities (November 2025 to October 2026), not a measured side-effect rate, and many people report no problems at all.
Allicin (Allimed / Allimax) overall: 3.6 · tolerability 4.5 (higher means fewer unwanted-effect reports).
What people describe
| Effect mentioned | Owner comments |
|---|---|
| Gas or bloating | 3 |
How we counted: among the 24 comments that describe an unwanted effect, a category counts when a sentence names the effect with wording like "gave me" or "made me". Questions and sentences about an effect going away are skipped. One comment can count in more than one row, and keyword counts can include some unrelated mentions, so read the quotes below for context.
Most common complaints
- Side effects: 17 owner comments
- Bloating & gas: 6 owner comments
- Cost: 2 owner comments
Safety notes from NIH and published research
- Garlic supplements may increase bleeding risk and interact with some medicines, including the HIV drug saquinavir; ask a doctor before surgery or if you take blood thinners.[NCCIH]
Stop and talk to a doctor if an effect is severe or does not settle. Ask a pharmacist about interactions with any medicine you take.
In their words
1/5 Side effects“This is a really old post but I found it while searching for any information on Allicin and depression.”
3/5 Side effects“After that I ended up going the herbal route and did berberine and allicin for 4 weeks.”
1/5 Side effects“there were things i did that that worked at first and then made it worse after (ie, fodmap diet and allimed garlic supplement pills).”
3/5 Pain & crampingSide effects“The worst I got with Allicin was some gut pain and nausea when I took it on an empty stomach.”
2/5 Side effects“I tried allicin, oregano, berberine. They temporarily seemed to work, but made my intestinal permeability worse over time.”
2/5 Side effects“i've been taking Allimax for 2 days. i'm increasing the dose slowly. last time i took a lot and it made me sick.”
2/5 Side effects“Allicin only made me feel worse”
3/5 Die-offSide effects“I did take allicin, but I didn't have any stomach issues caused by it.”
Frequently asked
What side effects do people report with Allicin?
24 of 425 Reddit owner comments about Allicin (6%) describe an unwanted effect; the ones mentioned most were gas or bloating. These are self-reports, not a measured side-effect rate.
Is Allicin safe?
Safety depends on your health and medicines. The NIH and other sources listed on this page note specific cautions. Ask a doctor or pharmacist before starting, especially if you take other medicines or are pregnant.
More on Allicin
Compare side-effect reports: Allicin (Allimed / Allimax) vs Oregano oil · Berberine vs Allicin (Allimed / Allimax)