crystallite packets

Most packets are labeled zero sugar and low calorie, typically providing about 5–10 calories per serving. Some listings also claim about 90% fewer calories than leading beverages.

Some on‑the‑go energy packets contain caffeine (stated at about 60 mg per packet). Many other packets are labeled caffeine‑free or non‑caffeinated.

Common labels include gluten‑free, low calorie, low sodium, and kosher for some options. One immunity formula also lists zinc and vitamin C (about 30% and 140% of the daily value, respectively).

Preparation depends on format: pitcher packets are emptied into a pitcher with about 2 quarts (8 cups) of water and stirred; single‑serve on‑the‑go packets are poured into a bottle or tall glass with about 2 cups of water and shaken or stirred until dissolved.

Yes — some iced tea mixes are described as made with real black tea, and several on‑the‑go options are noted as naturally flavored or made with natural flavors.