Mass Gainer Supplement
High-calorie mass gainer powder for lean muscle & weight gain.
Mass Gainer Supplement delivers a high-calorie blend of complex carbohydrates, whey protein concentrate, casein, creatine and essential micronutrients for hard gainers seeking maximum lean mass accumulation.
Available in a variety of decadent flavours: chocolate, vanilla, strawberry and cookies & cream. Fully private-label with your brand's macronutrient ratios and flavour preferences.
1–2 scoops (50–100g) daily in milk or water
5,000 units
3–5 weeks after sample approval
24 months
Key Benefits
Our Manufacturing Capabilities
Formats we produce
Packaging
Fully private-label - bottle, jar, tube, sachet or blister with your branding
All products are WHO-GMP certified and fully private-label - your brand, your packaging. Custom strengths, flavours and formats are available on request.
Why manufacture Mass Gainer Supplement with Leben
One WHO-GMP partner for formulation, production and private-label packaging.
WHO-GMP Certified
Produced in audited, certified facilities with batch-level QC.
Custom Formulation
In-house R&D tailors strength, flavour and format to your brief.
Full Private Label
Your brand and packaging - we stay invisible.
Low MOQ & Export-Ready
Pilot batches to scale, shipped across 4+ countries.
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One WHO-GMP partner for your entire nutraceutical product line.