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SBO Probiotics Men's 25 Billion CFU

4.6
★ ★ ★ ★ ★
(81 ratings)
Zinc 15 mg
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Score33
A potentially serious selenium-unit problem makes the supplied label unsuitable for normal evaluation. Verify that entry and the opaque blend details before considering use.
How scoring works
Capsule
Quantity:60 Capsule(s) • (30 servings)
Goals:
Immunity

Score 33

A potentially serious selenium-unit problem makes the supplied label unsuitable for normal evaluation. Verify that entry and the opaque blend details before considering use.
How scoring works
$42.46($1.41 per serving)
Vitacost
$ 46.73
iHerb
$ 42.46
Pure Formulas
$ 42.46
Daily Vita
$ 42.46
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Analysis

The formula combines 15 mg of zinc with a soil-based probiotic blend, fermented botanicals, mushrooms, and selenium. Most individual ingredients, strains, and doses are hidden inside group totals, and the zinc form is not identified.

The supplied selenium amount is 100 mg rather than a conventional microgram-range entry. That may be a data or unit error, but it is too serious to dismiss because an actual amount that high could cause severe toxicity.

Two capsules provide a broad concept but little verifiable product-specific depth. No purchase or use decision should rely on the supplied data until the physical label or manufacturer information confirms the selenium unit and full blend contents.

Who is it for
  • No one until the selenium unit is verified
  • Adults seeking a broad probiotic formula only after label confirmation
  • Users who can obtain complete strain and blend information
Best for
  • Label verification before purchase
  • Users specifically seeking a men’s probiotic concept after safety confirmation
  • Those willing to investigate proprietary-blend details

Pros

  • Provides a maintenance-level zinc amount
  • Includes probiotic, botanical, and mushroom components
  • Uses a two-capsule serving
  • Attempts to combine gut and micronutrient support

Cons

  • Lists selenium at an implausible 100 mg
  • Does not identify the zinc form
  • Hides individual probiotic strains and doses
  • Uses several proprietary blend totals
  • Cannot be safely judged from the supplied label data

Warnings

  • Do not use the product based on the supplied data until the selenium unit is verified; 100 mg would be dangerously high if accurate.
  • Excess selenium can cause nausea, hair or nail changes, nerve symptoms, and other serious effects.
  • The undisclosed probiotic, botanical, and mushroom contents should be checked for allergies, medications, and individual contraindications before use.

Nutrient quality

26 Situational impact

The zinc and selenium forms are missing, while the three blends lack component-level detail. The supplied selenium amount is unsafe if accurate, and opaque blends prevent reliable potency assessment.

Ingredient transparency

37 Lower impact

Blend totals are shown, but individual components and potencies are hidden. Named matrices or blends conceal their component-level doses.

Customer satisfaction

61 Moderate impact

The supplied average is favorable, with small response volume. Complaint patterns and purpose-related experiences are not supplied.

Value for money

12 Limited impact

The asking price is difficult to justify for the disclosed formula. Serving value is weak relative to the zinc support provided.

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Goals

Immunity
Impact
Moderate effect
B- Goal FitD Strength of SupportC+ CoverageD Formula Quality
Zinc · 15 mgSelenium · 100 mg

A soil-based probiotic blend with zinc, selenium, fermented botanicals, and mushrooms aims to connect gut support with immune resilience. The broad concept is plausible, and the zinc amount supports daily maintenance.

Strains, active doses, mineral forms, and most blend contributions are hidden, so potency and balance cannot be verified. The supplied label lists selenium at an implausibly large unit that should be confirmed before use because excessive selenium can be toxic.

Study evidence
Selenium Mixed 37 studies
Zinc Supportive 73 studies

Ingredients

IngredientAmount per serving
Zinc
15 mg
Selenium
100 mg
SBO Men's Probiotic Blend
634 mg
Organic Fermented Botanical Blend
480 mg
Organic Mushroom Blend
75 mg
Men 18–50
Report overview
Zinc · 15 mg OverallScore48
F Active Ingredient Quality & BioavailabilityA- Dose, Safety & Label TransparencyF Value

The zinc compound is not disclosed, preventing assessment of absorption or tolerance. The 15 mg elemental zinc amount provides effective maintenance support, and the maintenance zinc dose is below the level where copper depletion is a major concern. The serving is costly while the zinc form remains undisclosed.

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Sources

Published studies used for the product analysis and the top-ranked studies for each ingredient and goal.

  1. Effects of selenium supplementation on selenoprotein gene expression and response to influenza vaccine challenge: a randomised controlled trial.
    Goldson AJ; Fairweather-Tait SJ; Armah CN; Bao Y; Broadley MR; Dainty JR; Furniss C; Hart DJ; Teucher B; Hurst R · PloS one · 2011
    Randomized trial119 participantsImmunity forSelenium
  2. Effect of selenium on immune response against hepatitis B vaccine with accelerated method in insulin-dependent diabetes mellitus patients.
    Janbakhsh A; Mansouri F; Vaziri S; Sayad B; Afsharian M; Rahimi M; Shahebrahimi K; Salari F · Caspian journal of internal medicine · 2013
    Randomized trial62 participantsImmunity forSelenium
  3. Chemoprevention trial of human hepatitis with selenium supplementation in China.
    Yu SY; Li WG; Zhu YJ; Yu WP; Hou C · Biological trace element research · 1990
    Non-randomized trial20,847 participantsImmunity forSelenium
  4. Selenium nanoparticles as adjunctive therapy in sepsis: A pilot randomized clinical trial.
    Gu WJ; Huang W; Zhao FZ; Yuan XK; Jin K; Chen JL; Zhang CY; Huang Y; He L; Zhuang H; Yin HY; Chen T · Drug resistance updates : reviews and commentaries in antimicrobial and anticancer chemotherapy · 2026
    Randomized trial70 participantsImmunity forSelenium
  5. Selenium supplementation in patients with autoimmune thyroiditis decreases thyroid peroxidase antibodies concentrations.
    Gärtner R; Gasnier BC; Dietrich JW; Krebs B; Angstwurm MW · The Journal of clinical endocrinology and metabolism · 2002
    Randomized trial70 participantsImmunity forSelenium
  6. Nutrient supplementation for prevention of viral respiratory tract infections in healthy subjects: A systematic review and meta-analysis.
    Vlieg-Boerstra B; de Jong N; Meyer R; Agostoni C; De Cosmi V; Grimshaw K; Milani GP; Muraro A; Oude Elberink H; Pali-Schöll I; Roduit C; Sasaki M; Skypala I; Sokolowska M; van Splunter M; Untersmayr E; Venter C; O'Mahony L; Nwaru BI · Allergy · 2022
    Meta-analysis199,055 participants115 studies pooledImmunity forZinc
  7. Zinc supplementation reduces the incidence of acute lower respiratory infections in infants and preschool children: a double-blind, controlled trial.
    Sazawal S; Black RE; Jalla S; Mazumdar S; Sinha A; Bhan MK · Pediatrics · 1998
    Randomized trial609 participantsImmunity forZinc
  8. A randomized controlled trial of zinc supplementation in the treatment of acute respiratory tract infection in Thai children.
    Rerksuppaphol S; Rerksuppaphol L · Pediatric reports · 2020
    Randomized trial64 participantsImmunity forZinc
  9. The effect of zinc and vitamin A supplementation on immune response in an older population.
    Fortes C; Forastiere F; Agabiti N; Fano V; Pacifici R; Virgili F; Piras G; Guidi L; Bartoloni C; Tricerri A; Zuccaro P; Ebrahim S; Perucci CA · Journal of the American Geriatrics Society · 1998
    Randomized trial136 participantsImmunity forZinc
  10. The role of specific nutrients in preventing immune system and blood cell disorders: an umbrella review.
    Vecchietti A; Strano P; Minutolo G; Grieco V; Cappuccio G; Granvillano G; Confalonieri L; Briganti GL; Raso E; Chimienti M; Pellegrini M; Mercogliano M; Spatari G; Lugli C; Urbano T; Lorenzon A · Journal of preventive medicine and hygiene · 2026
    Systematic review13 studies pooledImmunity forZinc