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How to Take Probiotics with Antibiotics for Men

Many men take probiotics with antibiotics to help support digestive health during treatment. Antibiotics work by targeting harmful bacteria, but they can also affect the beneficial bacteria in the gut microbiome. This disruption can lead to digestive discomfort and other unwanted effects. A probiotic formulated for use during antibiotic treatment can help support gastrointestinal health throughout the course and beyond.

Bio-K+ Antibio Pro is Health Canada-recognized and specifically formulated for men taking antibiotics. It helps to reduce the risk of developing antibiotic-associated diarrhea (AAD) and helps reduce the risk of developing C. difficile-associated diarrhea (CDAD) in hospitalized patients. Antibio Pro delivers 50 billion CFU of Bio-K+’s proprietary, patented 3-strain formula: Lacticaseibacillus casei LBC80R®, Lacticaseibacillus rhamnosus CLR2®, and Lactobacillus acidophilus CL1285®. This formula is backed by 16 published clinical trials and more than 30 years of science. Each targeted-release capsule is designed to deliver live bacteria to the gut, where they can take action. The product is gluten-free, vegan, non-GMO verified, and shelf-stable, with CFU guaranteed until the best before or expiry date.

Timing matters. Take Bio-K+ at least 2 to 3 hours after the antibiotic dose to allow beneficial bacteria to reach the gut without interference. For men on twice-daily antibiotics, choose a midpoint timing window between doses. The recommended dosing is 1 to 2 capsules once daily during antibiotic treatment and 5 days after treatment completion. Targeted-release capsules are portable and convenient, requiring no refrigeration during travel or while managing a prescription schedule.

After finishing antibiotics, continue probiotic use to support digestive and flora health. Antibio Pro is formulated for the during-antibiotic window, while Daily Care (12.5B CFU) or Daily Care+ (25B CFU) capsules are well-suited for ongoing daily support. Canada’s #1 pharmacist-recommended probiotic for 8 consecutive years*, Bio-K+ offers science-backed probiotic options for men at every stage of antibiotic use and recovery.

*2022 Survey

Frequently Asked Questions

Is it safe to take probiotics with antibiotics?

Taking a probiotic alongside antibiotics is generally considered safe. Stagger the doses by taking Bio-K+ at least 2 to 3 hours after the antibiotic to allow beneficial bacteria to reach the gut. Antibio Pro is specifically formulated and Health Canada-recognized for use during antibiotic treatment. It helps to reduce the risk of developing antibiotic-associated diarrhea (AAD). If you have underlying health conditions or are on long-term antibiotic therapy, speak with your healthcare provider before starting a probiotic.

When is the best time to take probiotics with antibiotics?

The best time to take probiotics with antibiotics is at least 2 to 3 hours after the antibiotic dose. This is the confirmed dosing direction for Antibio Pro and is applicable guidance for other Bio-K+ formats. For men on twice-daily antibiotics, choose a midpoint timing window between the two doses. Bio-K+ targeted-release capsules are shelf-stable and convenient for timed dosing alongside a prescription schedule. Antibio Pro dosing direction is 1 to 2 capsules once daily during antibiotic treatment and 5 days after.

What is the best probiotic for men to take with antibiotics?

Antibio Pro is Bio-K+’s Health Canada-recognized probiotic formulated for use during antibiotic treatment. It delivers 50 billion CFU in targeted-release capsules, available in a 15-capsule pack. Antibio Pro is formulated to help reduce the risk of developing antibiotic-associated diarrhea (AAD) — a Health Canada-recognized claim backed by Bio-K+’s 3-strain formula. Key selection criteria include clinically studied strains, CFU guaranteed until the best before or expiry date, and targeted-release delivery. Bio-K+’s proprietary, patented 3-strain formula is backed by 16 published clinical trials and more than 30 years of science.

Do probiotics interfere with antibiotics?

Probiotics do not reduce the effectiveness of antibiotics when taken at staggered times, at least 2 to 3 hours apart. They operate through different mechanisms. Antibiotics act on pathogenic bacteria, while probiotics help maintain the balance of beneficial bacteria in the gut. Taking them at the same time rather than staggering may reduce the number of live bacteria reaching the gut, which is a practical consideration, not a safety concern. Antibio Pro is formulated for concurrent use with antibiotics, with staggered timing.

Should men keep taking probiotics after finishing antibiotics?

Yes. Continuing probiotic use after the antibiotic course supports digestive and flora health. Antibio Pro is formulated for use during antibiotic treatment and 5 days after treatment completion. After that window, Daily Care (12.5B CFU) or Daily Care+ (25B CFU) capsules are well-suited for ongoing daily support. The approved claim for these formats is "contributes to a healthy digestive and flora health." Continuing probiotic use after antibiotics helps support digestive and flora health over the long term.