水开菲尔可能有超过40种益生菌菌种，其中主要包含如下：

乳酸菌和双歧杆菌株^[1]https://happygutpro.com/best-probiotic-strains-in-water-kefir/

• 醋酸杆菌
• 东方醋杆菌
• 双歧杆菌 aquikefir（建议名称）
• 双歧杆菌
• 双歧杆菌
• 内氏乳杆菌
• 大麦乳杆菌
• 希氏乳杆菌
• 干酪乳杆菌
• 肠系膜明串珠菌
• 柠檬明串珠菌
• 运动发酵单胞菌

酵母菌株，包括：

• 德克拉异常
• Dekkera Bruxellensis
• Hanseniaspora valbyensis
• 芙蓉花
• 酿酒酵母
• 接合酵母菌
• 佛罗伦萨接合虫

牛奶开菲尔则有更多益生菌^[2]https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4854945/，包括

Lactobacillus kefir
Lactobacillus kefiranofaciens
Lactobacillus delbrueckii
Lactobacillus helveticus
Lactobacillus casei
Lactobacillus kefiri
Lactobacillus brevis
Lactobacillus paracasei
Lactobacillus parakefir
Lactobacillus plantarum
Lactobacillus satsumensis
Lactobacillus curvatis
Lactobacillus fermentum
Lactobacillus viridescens
Lactobacillus acidophilus
Lactobacillus gasseri
Lactobacillus kefirgranum
Lactobacillus parakefiri
Lactobacillus parabuchneri
Lactobacillus garvieae
Lactobacillus buchneri
Lactobacillus sunkii
Lactobacillus crispatus
Lactobacillus otakiensis
Lactobacillus instestinalis
Lactobacillus amylovorus, L. pentosus, L. salivarius, L. johnsonii, L. rhamnosus, L. rossiae, L. sakei, L. reuteri, L. kalixensis, L. rapi, L. diolivorans, L. parafarraginis, L. gallinarum, Pediococcus claussenii, P. damnosus, P. halophilus, P. pentosaceus, P. lolii
Lactococcus/Streptococcus
Lactococcus lactis subsp. lactis
Lactococcus lactis subsp. cremoris
Lactococcus lactis subsp. lactis biovar diacetylactis
Lactococcus garvieae
Streptococcus salivarius subsp. thermophilus
Streptococcous thermophilus
Streptococcus durans
Leuconostoc/Oenococcus
Leuconostoc spp.
Leuconostoc mesenteroides subsp. mesenteroides
Leuconostoc mesenteroides subsp. cremoris
Leuconostoc mesenteroides
Leuconostoc pseudomesenteroides
Oenococcus oeni
Acetobacter
Acetobacter spp.
Acetobacter sicerae
Acetobacter orientalis, Acetobacter lovaniensis
Bifidobacterium
Bifidobacterium spp.
Bifidobacterium breve, B. choerinum, B. longum, B. pseudolongum
Yeast and fungal species
Zygosaccharomyces spp.
Candida kefyr
Candida lipolytica
Saccharomyces cerevisiae
Candida holmii
Torulaspora delbrueckii
Saccharomyces unisporus
Candida friedrichii
Kluyveromyces lactis
Pichia fermentans
Issatchenkia orientalis
Kluyveromyces marxianus
Saccharomyces turicensis
Dekkera anomala
Kazachstania exigua
Naumovozyma spp.
Cryptococcus humicolus, Geotricum candidum
Kazachstania servazzii, Ka. solicola, Ka. aerobia, Saccharomyces cariocanus
Kluyveromyces marxianus var. lactis, Candida inconspicua, C. maris
Saccharomyces humaticus, Candida sake, Yarrowia lipolytica, Dipodascus capitatus, Trichosporon coremiiforme
Ganoderma lucidum, Dioszegia hungarica, Heterbasidion annosum, Peziza campestris, Cyberlindnera jadinii, Malassezia pachydermatis, Teratosphaeria knoxdaviesii, Cryptococcus sp. Vega 039, Microdochium nivale, Wallemia sebi, Zygosaccharomyces lentus, Eurotium amsteldami, Dekkera bruxellensis, Kazachstania barnettii, Naumovozyma castelli, Davidiella tassiana, Penicillium sp. Vega 347