China and West Africa account for the majority of watermelon seed protein supply, with China leading commercial B2B production. Find GFSI-certified wholesale watermelon seed protein suppliers from both origins on Nutrada, filterable by protein content and MOQ.
| Field | Detail |
| Botanical name | Citrullus lanatus |
| Available forms | Fine powder, 95% passing 100 mesh |
| Origins | China, West Africa (Nigeria), India, Middle East |
| Certifications | EU Organic, USDA NOP, BRC, ISO 22000, Kosher, Halal |
| Common applications | Sports nutrition, protein bars, beverages, nutraceuticals |
| Packaging | 10 kg cartons with 5 kg aluminum foil bags |
| MOQ | 25kg |
| Category | Proteins Wholesale |
Watermelon seed protein is available as one commercial grade: yellow to light yellow fine powder with 95% passing through 100 mesh. Protein content ranges from 50-65% depending on the concentration process. Cold-pressed processing preserves the amino acid profile, particularly the high arginine content that exceeds most plant proteins. The powder contains citrulline, a unique amino acid not found in mainstream protein sources, plus B vitamins (niacin, folate, thiamin, riboflavin, B6, pantothenic acid) and minerals including magnesium, iron, zinc, and selenium.
China dominates commercial watermelon seed protein production with the most developed B2B supply chain for food manufacturers requiring consistent volumes, protein specifications, and GFSI-certified facilities.
West African production, particularly from Nigeria, remains focused on traditional food applications such as egusi rather than isolated protein powder, limiting availability for ingredient buyers. Indian suppliers process watermelon seeds primarily for domestic markets with limited export infrastructure for protein concentrates.
Middle Eastern origins produce smaller volumes but offer direct access to halal-certified processing facilities for buyers where Islamic dietary compliance is a specification requirement.
Buyers evaluating seed proteins often compare watermelon seed protein alongside pumpkin protein and mung bean protein within the proteins category on Nutrada.
Watermelon seed protein powder is hygroscopic and requires storage below 25 degrees Celsius with moisture levels maintained under 8% to prevent clumping. Standard packaging uses 10 kg cartons containing dual 5 kg aluminum foil bags to protect against light exposure and oxidation. Shelf life reaches 24 months under proper storage conditions, dropping to 18 months in humid environments. Buyers should verify the latest protein analysis on the CoA as content varies between 50-65% depending on the supplier's concentration method.
China and India offer EU Organic certified watermelon seed protein, though supply volumes remain limited compared to conventional grades. Dual USDA NOP and EU Organic certification is available from Chinese suppliers serving both markets. West African origins focus on traditional processing methods but lack the certification infrastructure for organic compliance in most cases.
Private label watermelon seed protein is available in resealable pouches, protein tubs, and sachets ranging from 250g to 1kg retail formats. MOQ for private label typically starts at 500 units due to the niche market positioning. Buyers must specify the protein percentage claim before production begins, as this determines the concentration process and affects the final amino acid profile declaration required for sports nutrition labeling.
Watermelon seed protein manufacturers concentrate in China's protein processing hubs, offering established supply chains for international buyers. Request batch-specific CoAs showing protein content, amino acid profiles including arginine and citrulline levels, plus microbiological reports confirming absence of pathogens.
Nutrada lists GFSI-certified watermelon seed protein suppliers from China and India, covering powder forms across conventional and organic supply. All orders are placed directly with certified suppliers, with no intermediary.
Last updated: Apr 1, 2026