Testosterone Supplement in Singapore – Doctor-Led Support for Men

Medically reviewed by Dr. Bosty Chan – MBChB (UK), MRCS (Edinburgh), Cert. in Andrology (Men’s Health)
Key Information
Doctor-formulated testosterone support supplement in Singapore designed for men over 35 experiencing low energy, focus, or libido. Our daily formula combines Tongkat Ali, Zinc, Vitamin D and amino acids to support overall male wellness and vitality. Backed by licensed medical oversight, with discreet delivery and optional doctor consultation.
Go to FAQ

Testosterone Supplement Singapore – What It Is & How It Supports Men’s Health
Testosterone plays a key role in men’s health, influencing energy levels, muscle maintenance, mood, focus, and sexual wellness. From around age 30 onwards, testosterone levels may gradually decline as part of the natural ageing process. For many men in Singapore, this can coincide with lifestyle stress, reduced sleep quality, and lower physical activity, which may further affect overall vitality.
A “testosterone supplement” does not contain synthetic hormones or replace medical testosterone therapy. Instead, it refers to nutritional and herbal formulations designed to support the body’s natural testosterone function and general male wellness.
Sire’s Testosterone Support formula is developed in Singapore under licensed medical supervision and is designed for men seeking daily wellness support rather than hormone replacement therapy. It combines traditional herbal extracts and essential nutrients commonly studied in men’s health nutrition.
Key lifestyle-related concerns that men report include:
- Reduced energy or motivation
- Lower stamina during exercise
- Changes in libido or sexual confidence
- Difficulty maintaining focus
- General fatigue from work stress or ageing
While these experiences can be multifactorial, nutrition and lifestyle support may play a role in overall wellbeing.
Sire’s approach is to provide a doctor-guided, evidence-informed supplement option that fits into a broader men’s health strategy, which may also include blood testing, lifestyle optimisation, and medical consultation when needed.
Unlike general over-the-counter supplements, Sire’s formulation is designed with full ingredient transparency and medical oversight, ensuring consistency and quality control.
It is important to distinguish between:
- Natural testosterone support supplements (daily wellness support)
- Prescription treatments (TRT or ED medication) prescribed after medical assessment
Both may have roles depending on individual needs, but they serve different purposes and should not be confused.
For men unsure about their hormone health, a simple blood test can provide clarity and help guide next steps with a licensed doctor.
If you are experiencing persistent symptoms, you may consider a consultation to better understand your testosterone levels and overall health profile.
What’s Inside Sire Testosterone Support Formula
formula is designed to support general male vitality and wellbeing through a combination of traditional herbal extracts and essential nutrients.
Each capsule is made with 100% active ingredients and zero fillers, ensuring quality and consistency.

Key Ingredients
Tongkat Ali Root Extract
Traditionally used in Southeast Asia to support male vitality and general wellbeing.
L-Arginine
An amino acid that supports healthy blood circulation and physical performance.
L-Carnitine
Helps support energy metabolism and physical stamina.
Vitamin D
Supports bone health, immune function, and general wellbeing.
Zinc
An essential mineral involved in reproductive health and hormone regulation.
Why men use Sire Testosterone Support:
- Supports energy, vitality, and stamina
- Helps maintain focus and mental clarity
- Supports reproductive and sexual wellness
- Complements active lifestyle and nutrition habits
- Designed for daily use as part of long-term wellbeing
Simple, consistent daily use
Recommended usage: 2 capsules in the morning and 2 in the evening with food.
Doctor-Led Men’s Health Approach in Singapore
At Sire, all supplements and treatment pathways are developed under the supervision of licensed medical doctors in Singapore. This ensures that men receive safe, responsible, and medically guided support for their health concerns.
Our clinical lead, Dr Bosty Chan (MBChB UK, MRCS Edinburgh, Cert. in Andrology), focuses on men’s health and hormonal wellness.
“Many men in Singapore experience symptoms related to low energy, stress, or hormonal changes, but self-managing with unregulated supplements can be confusing and ineffective. At Sire, we focus on safe, structured support backed by medical guidance and quality-controlled formulations.”
Unlike retail supplements, Sire operates as part of a licensed telemedicine ecosystem under Cloud Clinic, ensuring all recommendations are aligned with clinical standards and patient safety.
This means patients can:
- Assess doctor-reviewed advice
- Understand whether symptoms may relate to testosterone levels
- Receive structured care options (supplements, testing, or medical treatment if required)
Our goal is not just supplementation, but long-term men’s health clarity and support through proper medical pathways.

Dr. Bosty Chan – MBChB (UK), MRCS
(Edinburgh), Cert. in Andrology (Men’s Health)

Check Your Testosterone Levels with a Doctor in Singapore
If you are unsure whether your symptoms are related to testosterone levels, a simple blood test can provide clarity.
We offer discreet, doctor-reviewed testing with:
- Partner laboratory blood draw
- Licensed doctor interpretation
- Personalised health recommendations
Understanding your hormone profile helps guide whether lifestyle changes, supplementation, or medical treatment may be appropriate.

Benefits of Sire Testosterone Support
Sire Testosterone Support is designed to support multiple aspects of male wellbeing:

Energy & Vitality
Supports daily energy levels, stamina, and physical drive, especially for men experiencing fatigue or lifestyle stress.
Mood & Mental Focus
Nutrients are selected to support cognitive clarity, motivation, and emotional wellbeing.
Sexual & Reproductive Wellness
Zinc and L-Carnitine support reproductive health and sperm quality as part of overall male wellness.
Physical Performance
Vitamin D and amino acids support muscle function, strength, and recovery.
Circulation & Performance Support
L-Arginine supports healthy blood flow, which may contribute to physical performance and confidence.
More Than Just a Supplement – A Structured Men’s Health Approach
More than 50% of men in Singapore are actively exploring ways to improve energy, focus, and overall vitality.
At Sire, supplementation is only one part of a broader approach that may include:
- Hormone testing
- Medical consultation
- Lifestyle optimisation
- Prescription treatment when clinically appropriate
This ensures that men are not just self-supplementing, but receiving structured, medically guided support when needed.
Understanding testosterone levels through proper assessment is often the first step toward clarity, especially for men experiencing persistent symptoms.
About Sire & Cloud Clinic
Sire is operated by Cloud Clinic, a Singapore healthcare institution focused on accessible, doctor-led men’s health support.
We combine:
- Clinical oversight
- Evidence-informed supplementation
- Discreet telemedicine access
- Personalised health pathways
All services are delivered under licensed medical governance via Cloud Clinic, ensuring safety and compliance.

Dr. Bosty Chan – MBChB (UK), MRCS
(Edinburgh), Cert. in Andrology (Men’s Health)

Why Choose Sire?
With 15 years of experience, we support your health goals with reliable care delivered by our Singapore-licensed doctors.
100% Online. No Apps Required
Skip clinic waiting rooms and forget app downloads. Simply access your account securely through our website, anytime.
Your Privacy Matters
Consult with our licensed doctors online and receive your treatment delivered discreetly to you, with same-day delivery available.
Get Care When It Suits You. Stay Because It Works
Enjoy flexible, quality healthcare with no long-term commitments. Book appointments, adjust your plan, or cancel anytime — hassle-free.

Professional Guidance, Human Conversations
Meet Our Doctor
Dr. Bosty Chan is a medical doctor with over 10 years of clinical experience in the United Kingdom and Singapore. He graduated from the University of Aberdeen, Scotland, and is a Member of the Royal College of Surgeons (Edinburgh). He has a clinical interest in telemedicine, digital health, and men’s health and holds a Certificate in Andrology (Singapore) from the Singapore Society of Men’s Health.
Dr Chan serves as the lead physician at Sire and Dame, discreet telemedicine platforms based in Singapore, where he focuses on accessible, technology-enabled healthcare.
Connect on

Dr Bosty Chan
Medical Director – Sire & Dame (Cloud Clinic)
MBChB (UK), MRCS (Edinburgh), Cert. in Andrology (Men’s Health)







Sire’s Easy Telemedicine Process
Discreet consults and doorstep delivery. We’ve made men’s healthcare as simple as it should be.

Survey
Complete a quick online health questionnaire and connect with our licensed Singapore doctor via a secure video consultation.

Consult
Our doctor reviews your health profile and, if appropriate, prescribes a clinically-proven treatment plan tailored to your needs.

Delivery & Follow-Up
Your medication is shipped in discreet packaging with same-day delivery or self-collection. Our care team is here to support you.
Common Questions About Testosterone Supplements
We’ve got you covered.
Still have questions?
More Health Goals? Let’s Make Them Happen!
Hair Loss
Weight Loss
Premature Ejaculation
Powered by Cloud Clinic
Sire is operated by Cloud Clinic, a healthcare institution licensed by the Ministry of Health (MOH), Singapore.
Learn more about LICENSING TELEMEDICINE SERVICE UNDER HCSA
Cloud Clinic is a Singapore healthcare institution focused on providing direct-to-home healthcare solutions. Every product and service we provide is supervised by our medical team.


















