Modifiers matching fluctuation:

• nutrient,
• random,
• physiological,
• environmental,
• natural,
• large,
• minor,
• unpredictable,
• economic,
• statistical,

Simple categories matching nutrient:

• fraction,
• management,
• process,
• molecule,
• medium,
• deficit,
• group,
• material,
• level,
• deficiency,
• matter,
• substance,
• source,
• value,
• component,
• beverage,
• chemical,
• compound,
• surface,
• drink,
• food,
• metal,
• pollutant,
• substrate,
• content,
• garment,
• information,
• condition,
• waste,
• fat,
• service,
• export,
• fertilizer,
• polysaccharide,
• salt,
• mixture,
• fluid,
• soil,
• requirement,
• nature,
• comparison,
• limitation,
• cofactor,
• fluctuation,
• solute,