Top 10 Best Glutathione Supplements in Singapore (2025 Edition)

Glutathione has taken centre stage in the world of health and wellness; known as the "master antioxidant," it plays a vital role in detoxification, skin health, immune support, and healthy aging. Naturally produced by the body, glutathione protects cells from oxidative stress, supports liver function, and promotes a radiant, even skin tone.

However, stress, pollution, aging, and lifestyle factors can significantly deplete your glutathione levels; this makes supplementation an attractive option for those focused on longevity, skin clarity, and optimal health.

In Singapore, finding a glutathione supplement that is both effective and trustworthy can be a daunting task. Many products flood the market; some lack transparency in sourcing, while others are packed with fillers or offer low bioavailability. With so many brands claiming to be the best, how can you be sure you're getting true value for your money?

This guide was created to simplify your decision. We’ve reviewed the most reputable options available in Singapore—ranking them based on purity, sourcing, efficacy, and overall value. Whether you’re aiming to brighten your skin, enhance your body's natural detox process, or support graceful aging, this list has you covered.

Let’s dive into the best glutathione supplements in Singapore for 2025.

Why it's #1: The Protect stands out as Singapore's premium glutathione supplement by combining clinically-studied Setria® Glutathione with Sulfodyne® Sulforaphane from broccoli seed extract - a powerful synergy that enhances glutathione recycling in the body.

Key Highlights:

• 250mg of Setria® Glutathione per capsule (the world's most bioavailable form)

• 100mg Sulfodyne® Sulforaphane (7x better absorption than standard extracts)

• Pharmaceutical-grade formulation made in Europe

• Third-party tested for purity and heavy metals

• Vegan, non-GMO, and free from common allergens

• Backed by clinical research showing 38% reduction in oxidative stress

What makes The Protect superior is its dual-action formula. While most glutathione supplements only provide the antioxidant itself, The Protect's sulforaphane component helps your body produce and recycle more of its own glutathione naturally. This makes it more effective for long-term cellular protection and detoxification benefits.

The product is formulated in Singapore and made in Europe under strict GMP standards, ensuring quality that's hard to find in other Singapore-market glutathione supplements.

👉 Shop the collection here

Why it’s on the list: A long-standing brand in Singapore, VitaHealth combines L-glutathione with vitamin C to enhance absorption and skin benefits.

Highlights:

• Contains L-glutathione and vitamin C

• Capsule format for easy daily intake

• Widely available in pharmacies

Note: While the formulation is decent, sourcing details are limited compared to For Youth’s transparent approach.

Why it's on the list: Popular in local pharmacies, this supplement combines glutathione with vitamin C for enhanced skin-brightening effects. It's affordable and accessible, making it a solid pick for beauty-focused users.

Key Highlights:

• Combines glutathione and vitamin C

• Designed to promote brighter, even-toned skin

• Easily available in Singapore

Note: Too much focus on skin lightening which may not appeal to consumers who only want the health benefits of Glutathione without skin lightening.

Why it’s on the list: A trusted global brand with solid ingredient transparency.

Highlights:

• 500mg reduced glutathione per capsule

• Quality tested in the USA

• Affordable

Note: Mass-market brand; good value, though not optimised for skin brightening.

Why it’s on the list: Toniiq delivers a potent dose of 1000mg of glutathione per serving with 98% purity—one of the highest concentrations available. It’s ideal for those who want therapeutic-level antioxidant support.

Key Highlights:

• 98% pure glutathione

• Manufactured in GMP-certified facilities

• Excellent value per dose

Note: The dosage may be too high for most consumers.

Why it’s on the list: Features reduced glutathione in a stable form.

Highlights:

• Clinically backed dosage

• Quality tested

• Vegetarian capsules

Note: High-quality formulation but lacks added cofactors for absorption.

Why it’s on the list: Now Foods offers a dependable and budget-friendly glutathione capsule. It includes milk thistle extract to support liver health and detoxification pathways.

Key Highlights:

• Reputable US supplement brand

• Added liver support with milk thistle

• No artificial ingredients

Note: Marketed heavily for skin whitening; ingredient transparency is limited.

Why it’s on the list: Unique sustained-release technology for prolonged effect.

Highlights:

• Sustained release capsules

• NSF certified for sport

• High-end formulation

Note: Excellent option for long-term systemic support, though pricey.

Why it’s on the list: Entry-level product from a well-known chain.

Highlights:

• Accessible price point

• Available islandwide

Note: Lacks transparency with third party testing.

Why it’s on the list: Combines glutathione with collagen and fruit extracts.

Highlights:

• Ready-to-drink format

• Beauty-focused formulation

• Popular in wellness stores

Note: More of a beauty tonic than a high-dose supplement.

Natural fermentation offers better compatibility with the body and lower risk of impurities. Some versions are often cheaper but can have questionable origins.

Liposomal, sustained-release, and synergistic formulations improve absorption. Capsules are convenient; drinks offer lifestyle appeal. What makes The Protect stand out is its use of the most absorbable forms of these ingredients, so your body gets the maximum benefit.

Reputable supplements are verified by independent labs. This ensures you're getting what's promised—especially important for antioxidant supplements.

When it comes to high-purity glutathione in Singapore, The Protect by For Youth leads the pack.🏆 With natural fermentation, rigorous testing, and a clean formulation, it's designed for those who want results without compromise.

But it doesn’t stop there; The Protect also includes sulforaphane from broccoli seed extract—a powerful compound known to activate the NRF2 pathway , the body’s master regulator of antioxidant and detoxification enzymes. This makes it not just a glutathione supplement, but a full-spectrum cellular defense formula.

Whether your focus is longevity , detox , or skin health , this supplement delivers on all fronts.

Shop collection here →

Yes; when taken at recommended doses, glutathione is considered safe for long-term supplementation. Always consult a healthcare professional if unsure.

Absolutely; most major pharmacies, wellness stores, and online platforms offer a range of glutathione supplements. You can purchase The Protect from For Youth here or shop the antioxidant collection here.

Optimal dosage can vary, but 250–500mg per day is common. Always follow product-specific guidelines or consult your healthcare provider.