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09/12/2025

[Gut Health] Are intestinal bacteria good or bad? Good bacteria vs. bad bacteria, can they affect the speed of aging?

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You may have heard that the gut is the body’s “second brain”! Over 70% of the body’s immune cells are concentrated in the gut, giving it amazing power. The gut not only absorbs nutrients and produces vitamins but also supports immunity, slows down aging, aids bile breakdown, and regulates fat metabolism. Three major families of bacteria live in the gut — beneficial bacteria, harmful bacteria, and neutral bacteria — maintaining a delicate balance in the gut ecosystem. When this balance is disrupted, bodily functions can be affected, leading to various discomforts and diseases, and even accelerating aging. So how exactly do these gut bacteria influence the body’s aging process? And is the recently hyped G-NiiB probiotic actually worth taking?

 

There are “bad guys” in your gut! #BadBacteria = The Gut’s Destroyers

It turns out that frequent fatigue, bloating, migraines, or even conditions like obesity, fatty liver, and eczema may be caused by an overgrowth of harmful gut bacteria. When bad bacteria dominate, they push out the good bacteria, disrupt the gut’s pH balance, and lead to an unhealthy or aging gut, affecting the body in multiple ways.

 

The gut relies on them for protection! #GoodBacteria = The Gut’s Guardians

Beneficial bacteria, or “good bacteria,” are friendly residents of the gut. They help digest food for better nutrient absorption, boost the immune system, provide anti-inflammatory effects, and overall support the body’s health. Good bacteria also maintain the gut’s pH balance, suppress harmful bacteria, and establish a healthy gut ecosystem. For an 80-year-old to enjoy the vitality of a 20-year-old, a healthy gut like that of a 20-year-old is essential!

 

Don’t forget the others in your gut! #NeutralBacteria = Opportunists of the Gut

Neutral bacteria are opportunists in the gut. They neither harm nor significantly benefit the body on their own, but they choose sides based on the balance of good and bad bacteria. If good bacteria dominate, neutral bacteria support them; if bad bacteria dominate, they side with the harmful ones, causing gut discomfort. Maintaining gut health requires balancing the microbiome: provide more good bacteria to recruit neutral bacteria as allies, suppress bad bacteria, and sustain a healthy gut ecosystem for overall vitality.

 

Gut imbalance accelerates aging

You might wonder, with hundreds of trillions of bacteria in our body, why don’t we constantly have diarrhea or gut problems? The key is maintaining balance among these bacteria, creating a “symbiotic equilibrium” in the gut microbiome. When gut diversity is balanced, harmful bacteria cannot easily overgrow. In fact, obesity and allergies are often caused by bad bacteria.

 

Who should consider taking probiotics?

If you experience constipation or diarrhea, occasional stomach discomfort, sensitive skin, eczema, or fatigue, these are warning signs of gut imbalance. If more probiotics aren’t introduced early, prolonged imbalance can affect various parts of the body and lead to multiple health issues.

 

【At a Glance】How gut issues affect 8 major body areas?

 

 

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1. Mental Health: Confusion, nightmares, lack of focus, irritability, etc.
2. Brain: Insomnia, headaches, dementia, depression, etc.
3. Eyes: Light sensitivity, vision problems, dry eyes, eye burning, etc.
4. Mouth & Nose: Sinus discomfort, bad breath, rhinitis, tonsil issues, etc.
5. Chest: High blood pressure, arrhythmia, arteriosclerosis, mastitis, etc.
6. Abdomen: Abdominal pain, bloating, enlarged spleen, bladder infections, kidney diseases, etc.
7. Legs: Muscle pain, inflammation, atrophy, arthritis, cramps, etc.
8. Skin: Local redness, acne, itchiness, heat, pus formation, etc.
 

Do “good” and “bad” bacteria have a ‘golden ratio’?

Whether the hundreds of trillions of bacteria in the gut cause issues like diarrhea depends on the balance between good and bad bacteria. To reduce digestive problems, you first need to distinguish beneficial bacteria from harmful ones, then supplement with the right amount of good probiotics to optimize the gut microbiome. The ideal balance is said to be 20% beneficial bacteria, 10% harmful bacteria, and 70% neutral bacteria, with the neutral bacteria acting as partners to the beneficial ones to help maintain health. This balance effectively promotes digestive function and genuinely improves gut health. However, if harmful bacteria become dominant and team up with neutral bacteria, the gut’s micro-ecosystem can quickly deteriorate, leading to various illnesses.

 

5 healthy daily habits to nurture good gut bacteria!

Dietary habits have a major impact on the health of your gut microbiota. But harmful bacteria are hard to get rid of—picky eating, excessive red meat, fast food, snacks, and other high-fat, high-sugar foods, as well as lack of exercise, can all increase harmful bacteria in the intestines and disrupt the gut’s microbial balance. That’s why improving your diet and lifestyle is essential for maintaining gut health.

 

  1. Increase dietary fiber — It’s the main source of nutrition for good bacteria.
  2. Eat more fermented foods — They help you absorb more high-quality probiotics.
  3. Avoid processed foods — They can damage the intestinal mucosa.
  4. Exercise regularly — Activity helps the gut produce more beneficial bacteria.
  5. Maintain a positive mood — A good mood supports digestion and boosts metabolism.

 

Prebiotics vs. probiotics: similar names, totally different roles. Don’t get them confused!

Probiotics are the beneficial bacteria mentioned earlier. They help break down food, suppress harmful bacteria, and assist in producing essential vitamins.

 

Prebiotics, on the other hand, can be seen as food for probiotics. They stimulate the growth and activity of beneficial bacteria and help increase their numbers.

 

Many natural foods—such as asparagus, bananas, berries, flaxseed, onions, garlic, leeks, vegetables, and whole grains—contain prebiotics that are beneficial to the body. In addition to supporting the growth of good bacteria, they also help maintain proper digestive function. Probiotic supplements often include prebiotics to enhance their effectiveness. If your diet is not very balanced, you may consider taking probiotic supplements to make up for what your body lacks.

 

How to take probiotic supplements for the best results?

1. Pay attention to the strains first. Common ones include Lactobacillus, Bifidobacterium, and Lactiplantibacillus plantarum. It’s recommended to choose products that contain multiple strains for a more diverse probiotic blend.

2. Choose products that include prebiotics to help the probiotics work more effectively. For example, fructooligosaccharides (FOS) are a type of prebiotic that promotes the growth of probiotics, helps maintain digestive function, and supports a healthier gut microbiome and overall vitality.

3. Consistency is key—regular intake helps maintain the balance of the gut microbiome. The Consumer Council also suggests a daily intake of at least 10 billion CFU to be effective. Higher probiotic doses may have a more noticeable impact on the gut flora.

4. After ensuring adequate probiotic dosage, you can then select products with additional ingredients based on your needs. For example, formulas developed specifically for infants; products combined with key digestive enzymes to help break down proteins and sugars, improve digestion, reduce intestinal burden; paired with gut-regulating formulas to remove excess toxins and waste—helping your body digest today’s food today.

 

What’s the big difference between the recently hot-selling G-NiiB “Professional Formula” and the “Regular Version”?

The widely advertised G-NiiB Plus (note the “+” in the name) is the regular version, available in common retail chain stores. There is also the medical-grade G-NiiB Pro, the Professional Formula, which is usually only available at clinics or medical centres because it contains several times more probiotics. For those with gut issues who need faster and more noticeable results, the Professional Formula is more suitable. Many people find G-NiiB appealing, but often can’t tell the differences between the three major G-NiiB Pro Professional Formulas. Here’s a quick breakdown:


 

Long-COVID Symptom Fighter — Immunity Pro (Immune Professional Formula)

Marketed as the world’s first formula developed specifically based on data from patients infected with the novel virus, containing up to 10 billion CFU, 5 times more than the regular version! It effectively helps relieve long-COVID symptoms such as coughing, fatigue, and poor memory. It may reduce the risk of new virus infection by 91%, and other viral and bacterial infections by 66%. Especially suitable for those who have tested positive for COVID-19, are recovering, or those concerned about gut health.

 

M3 Stubborn Bad-Bacteria Eliminator — M3XTRA Pro (Gut Protection Professional Formula)

Contains 12.5 billion CFU, 5 times more than the regular version, and includes three major prebiotic formulas. With the introduction of the SMT04 formula, it is currently the world’s only ingredient targeting the stubborn M3 pathogenic bacteria. It may help reduce harmful bacteria in the colon by 37.5% and increase beneficial bacteria by 42.6%. Ideal for individuals concerned about gut health and persistent gut issues.

 

For Children with Eczema & Sensitive Skin — Immune Kids Pro (Children’s Immune Professional Formula)

Also formulated with SMT04, containing 3 billion CFU, 3 times the regular version. It helps maintain children’s gut health and boost immunity. Suitable for children aged 1–5, and particularly helpful for improving moderate eczema-prone skin. It may reduce eczema-related symptoms and skin irritation by 38.9%.

 

Probiotic supplements can be paired with other nutritional products to enhance effectiveness and address specific health conditions. However, dosage and usage may vary among individuals, and excessive intake is not recommended. For the best results, it is advisable to consult a professional nutritionist to determine the most suitable supplement combination and daily dosage—avoiding unnecessary overconsumption.

 

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Purchase the designated quantity of G-NiiB Professional Formula and receive these FREE perks:

1️⃣ One SEMG computerized spinal scan

2️⃣ A free 30-minute nutritionist consultation

3️⃣ One month of personalised meal-plan follow-up

4️⃣ Enjoy 30% off when purchasing selected Life Young Health supplements

For more details about the offers, feel free to contact us via WhatsApp: https://bit.ly/3KsrECX 

 

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*This article is for reference only. If you have any health concerns, please consult a registered doctor or professional nutritionist. Information and data regarding G-NiiB are based on the original manufacturer’s materials.

#In case of any dispute, Life Young Healthcare Limited reserves the right of final decision.

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