B12 Overload Extra Strength Energy Shot Grape 48-Pack - 260mg Caffeine

In this review of the B12 Overload Extra Strength Energy Shot Grape 48-pack, the bottom line is straightforward: this is for adults who need a fast, portable energy boost and value long-lasting alertness without sugar or calories. The reviewer found the product delivers sustained focus and vitality thanks to a potent combination of 260mg plant-based caffeine and a very high dose of B12, and the zero sugar, zero calorie formula makes it a practical choice for keto or calorie-conscious routines.

Key Features

• High-potency B12: Packed with 14,000% DV of vitamin B12 to support red blood cell function and help maintain normal oxygen transport for endurance.
• Strong natural caffeine: Contains 260mg of plant-based caffeine per shot to promote energy, alertness, and short-term focus without added sugars.
• Sustained effect: Formulated to provide steady energy for up to 7+ hours to reduce midafternoon slumps and maintain cognitive clarity.
• Clean nutrition profile: Zero sugar and zero calories make it suitable for keto and low-calorie plans while avoiding sugar crashes.
• Portable convenience: Small 1.93 fl oz shots require no refrigeration, making them easy to carry for travel, work, or workouts.
• Quality standards: Vegan, kosher, and gluten-free production in an SQF-certified U. S. facility under strict manufacturing controls.

Who It's For

The best users are adults who regularly need extended alertness for long shifts, study sessions, or athletic endurance and prefer a compact, no-sugar option. The high caffeine and B12 combination suits those who want a reliable pick-me-up that can help fend off late afternoon fatigue without liquid sugar.

People who should look elsewhere include caffeine-sensitive individuals, pregnant or nursing adults, and anyone advised to limit high caffeine intake. Also, those who prefer a milder boost or lower-dose supplements may find this formulation stronger than necessary.

Pros & Cons

Pros

• Delivers a long-lasting energy lift with 260mg plant-based caffeine and B12 for sustained focus.
• Zero sugar and zero calories provide a clean option compatible with keto and calorie-conscious plans.
• Compact, nonrefrigerated shots are convenient for travel, work, or workouts.
• Manufactured to vegan, kosher, and gluten-free standards in an SQF-certified U. S. facility.

Cons

• Strong caffeine content may be too intense for sensitive users or those wanting a milder boost.
• Taste receives mixed feedback; some users find the flavor unappealing compared with other drinks.

Specifications

Product type	Energy shot
Flavor	Grape
Pack count	48 shots
Volume per shot	1.93 fl oz
Caffeine	260mg plant-based caffeine per shot
Vitamin B12	14,000% DV per shot
Dietary	Vegan, kosher, gluten-free, zero sugar, zero calories

Our Verdict

This 48-pack energy shot is a sensible choice for adults who want a compact, no-sugar way to get a powerful, sustained energy and focus boost. It represents good value for those who need repeated daily use and appreciate the B12 and electrolyte support, though anyone sensitive to caffeine should choose a lower-dose option.

Frequently Asked Questions

How long does the energy effect last?
The formula is designed to provide steady energy for up to 7+ hours, offering sustained alertness without an immediate crash for most users.

Is this sugar free and keto friendly?
Yes, each shot has zero sugar and zero calories, making it compatible with keto and low-calorie plans.

Who should avoid this product?
Adults who are caffeine sensitive, pregnant or nursing, or advised by a healthcare provider to limit caffeine should avoid this high-caffeine shot.